stem
- n.茎，梗，柄;有…茎（或梗）的;词干;（高脚酒杯的）脚;<美俚>主要街道，干线;阀杆，导杆;堵塞物，阻挡物;家系，家谱，血统;烟斗柄;<音>符干;电子管心柱，晶体管管座;转动滑雪屐动作;<美俚>鸦片烟枪
- v.阻止;堵塞，止住;遏止;封堵;逆…而行，顶着…而上;给…装柄（或杆）;去掉…的干（或茎、梗、柄）;（滑雪时）转动（滑雪屐）)以停止滑行
- abbr.理工科的统称（science, technology, engineering, and mathematics）;（= Scanning transmission electron microscope）扫描透射式电子显微镜
复数： stems 过去式： stemmed 现在分词： stemming 过去分词： stemmed 第三人称单数： stems
stemnoun
（花草的）茎；（花或叶的）梗，柄
the main long thin part of a plant above the ground from which the leaves or flowers grow; a smaller part that grows from this and supports flowers or leaves
（高脚酒杯的）脚
the long thin part of a wine glass between the bowl and the base
烟斗柄
the thin tube of a tobacco pipe
有…茎（或梗）的
having one or more stems of the type mentioned
a long-stemmed rose
一枝长茎玫瑰
词干
the main part of a word that stays the same when endings are added to it
‘Writ’ is the stem of the forms ‘writes’, ‘writing’ and ‘written’.
writ是writes、writing和written三个词的词干。
all the way from the front of a ship to the back
stem
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1
VERB 起源于;来自;由…造成
If a condition or problem stems from something, it was caused originally by that thing.All my problems stem from drink...
我所有的问题都源于酗酒。
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2
VERB 阻止;遏制;制止
If you stem something, you stop it spreading, increasing, or continuing.Austria has sent three army battalions to its border with Hungary to stem the flow of illegal immigrants...
奥地利已派出 3 个营的兵力去本国和匈牙利交界的边境地区阻止非法移民的流入。
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3
N-COUNT (植物的)秆，茎，梗
The stem of a plant is the thin, upright part on which the flowers and leaves grow.He stooped down, cut the stem for her with his knife and handed her the flower.
他弯下腰，用刀替她将花茎割断，然后将花递给她。
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4
N-COUNT (酒杯的)颈，柄脚
The stem of a wine glass is the long thin part which connects the bowl to the base. -
5
N-COUNT (烟斗)柄
The stem of a pipe is the long thin part through which smoke is sucked.He chewed the stem of his pipe and eyed her sceptically.
他嘴里衔着烟斗柄，满腹狐疑地打量着她。
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6
N-COUNT (语法中的)词干
In grammar, the stem of a word is the main part of it, which does not change when the ending changes. -
7
PHRASE 从船首到船尾
If something happens from stem to stern on a boat, it involves the whole of the boat.A South African television report said the ship was ablaze from stem to stern.
南非一则电视新闻报道称，那艘船从头到尾都着了火。
noun
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1
- a turn made in skiing;the back of one ski is forced outward and the other ski is brought parallel to it
- Synonym: stem turn
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2
- front part of a vessel or aircraft
- he pointed the bow of the boat toward the finish line
- Synonym: bow fore prow
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3
- cylinder forming a long narrow part of something
- Synonym: shank
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4
- the tube of a tobacco pipe
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5
- (linguistics) the form of a word after all affixes are removed
- thematic vowels are part of the stem
- Synonym: root root word base theme radical
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6
- a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
- Synonym: stalk
verb
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1
- remove the stem from
- for automatic natural language processing, the words must be stemmed
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2
- stop the flow of a liquid
- staunch the blood flow
- stem the tide
- Synonym: stanch staunch halt
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3
- grow out of, have roots in, originate in
- The increase in the national debt stems from the last war
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4
- cause to point inward
- stem your skis
数据来源：WordNet
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The plant 's stem is marked with thin green longitudinal stripes .
这种植物的茎上长有绿色细长条纹。
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Sedge is similar in appearance to grass but has a solid rather than a hollow stem
莎草看上去和普通的草没什么两样，但其草茎是实芯的而不是空芯的。
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They discussed ways of stemming the flow of smuggled drugs .
他们讨论了遏制走私毒品流通的办法。
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The government had failed to stem the tide of factory closures .
政府没有控制住工厂纷纷倒闭的势头。
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Always cut stems obliquely to enable flowers to absorb more water .
一定要斜剪花茎，让花能多吸收些水分。
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The cut was bandaged to stem the bleeding .
伤口进行了包扎止血。
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Cut the flower stems on the slant .
把花茎斜着切断。
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His efforts to stem the tide of violent crime have been as effective as Canute 's.
他遏制暴力犯罪增长的努力一直是螳臂当车。
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Much of the instability stems from the economic effects of the war .
不稳定局面多半是由战争对经济的影响造成的。
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He pointed at me with the stem of his pipe
他用烟斗柄指着我。
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Make a slit in the stem about half an inch long .
在树干上切一道大约半英寸长的口子。
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All my problems stem from drink
我所有的问题都源于酗酒。
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He was still conscious , trying to stem the bleeding with his right hand .
他依然清醒，正试图用右手止血。
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The authorities seem powerless to stem the rising tide of violence
当局似乎无力阻止愈演愈烈的暴力活动。
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Cut them off cleanly through the stem just below the node .
就从茎节下面，沿茎干把它们全砍掉。
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The main stem will extend to around 12ft , if left to develop naturally
如果任其自然生长，主干可以长到约12英尺。
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He said the move would definitely stem the haemorrhage of talent and enterprise from the colony .
他表示这一举措势必会抑制殖民地人才和企业严重流失的现象。
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A South African television report said the ship was ablaze from stem to stern .
南非一则电视新闻报道称，那艘船从头到尾都着了火。
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He told the magazine in an exclusive interview : ' All my problems stem from drink ' .
他在接受一家杂志社的独家采访时说：“我所有的问题都是饮酒造成的。”
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The inspiration stemming from his travels lasted the length of his career .
由旅行得来的灵感伴随了他的整个职业生涯。
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The stinging nettle has a square stem and little hairs .
荨麻长有四方茎和细小茸毛。
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The administration is trying to stem the flood of refugees out of Haiti and into Florida
政府当局正试图阻止大批难民逃离海地，进入佛罗里达。
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Austria has sent three army battalions to its border with Hungary to stem the flow of illegal immigrants
奥地利已派出3个营的兵力去本国和匈牙利交界的边境地区阻止非法移民的流入。
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Woodlice attack living plants and gnaw at the stems
木虱会侵害活体植物并啃咬它们的茎。
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It is easy to detach the currants from the stems
很容易就能把醋栗从梗上摘下来。
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He stooped down , cut the stem for her with his knife and handed her the flower .
他弯下腰，用刀替她将花茎割断，然后将花递给她。
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Our ship stemmed on against the current .
我们的船逆水而行。
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In the lunar calendar , the years are designated by the Heavenly Stems and Earthly Branches .
阴历用干支纪年。
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Fearlessness stems from selflessness . ; Only the selfless can be fearless .
无私故能无畏。
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Her interest in flowers stems from her childhood in the country .
她喜欢花起始于童年乡居期间。
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