sag
- vi.下垂;减少;(尤指由于承重或受压)下凹;减弱
- n.（顺风的）漂流;经济萧条;下陷或松弛;下陷或松弛的程度
派生词： sag n. 过去式： sagged 现在分词： sagging 过去分词： sagged 第三人称单数： sags
sagverb
（尤指由于承重或受压）中间下垂，下凹
to hang or bend down in the middle, especially because of weight or pressure
a sagging roof
凹陷的房顶
The tent began to sag under the weight of the rain.
雨水使得帐篷中间开始下坠。
Your skin starts to sag as you get older.
人老了，皮肤就会慢慢松弛。
减弱；减少
to become weaker or fewer
Their share of the vote sagged badly at the last election.
在上次选举中他们的得票数大幅下跌。
Weight has caused the sag.
承重导致下垂。
used to say that sb suddenly looked surprised, shocked or disappointed
sag
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1
VERB (中间部分)下垂，下弯，下陷
When something sags, it hangs down loosely or sinks downwards in the middle.The shirt's cuffs won't sag and lose their shape after washing...
这件衬衫的袖口洗后照样挺括，不变形。
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2
VERB (身体某部位)松弛，下垂
When part of someone's body begins to sag, it starts to become less firm and hang down.He is heavily built, but beginning to sag.
他体形健壮，但肌肉已经开始松弛。
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3
VERB 消衰;委顿;萎靡
To sag means to become weaker.The pound continued to sag despite four interventions by the Bank of England...
尽管英格兰银行四次出手干预，英镑仍不改颓势。
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As a result , the skin may sag .
结果，皮肤就松弛下垂了。
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Just let that little old belly sag and enjoy itself .
让那个腹部下垂并享受。
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The tent began to sag under the weight of the rain .
雨水使得帐篷中间开始下坠。
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Their share of the vote sagged badly at the last election .
在上次选举中他们的得票数大幅下跌。
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His upper lip was flat , but the lower one sagged .
他上唇扁平，下唇耷拉。
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He is heavily built , but beginning to sag .
他体形健壮，但肌肉已经开始松弛。
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The pound continued to sag despite four interventions by the Bank of England
尽管英格兰银行四次出手干预，英镑仍不改颓势。
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The shirt 's cuffs won 't sag and lose their shape after washing
这件衬衫的袖口洗后照样挺括，不变形。
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The roof sagged at one corner , where the ceiling beams had snapped with rot
房顶的一角塌了下来，那里的天花板横梁已经腐烂断裂了。
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Morrison took the news badly and from then on his spirits noticeably sagged .
这消息对莫里森打击很大，从那以后，他明显萎靡不振。
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They failed to revive her sagging spirits .
他们未能让她从萎靡消沉中振作起来。
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His gut sagged out over his belt .
他肚子上的赘肉堆在皮带上方。
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He sat down in the sagging armchair .
他在凹陷的扶手椅上坐下了。
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We need to do something about the sag .
我们须把下沉的地方修整一下。
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His mind sagged round and round on the same track .
他的念头一而再再而三地在一条轨道上转着。
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The shelf sagged under the weight of the heavy books .
书架搁板在书的重压下变弯曲了。
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The shelf was beginning to sag beneath the weight of the books upon it .
书架在书的重压下渐渐下弯。
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The bed sags in the middle .
床中间凹下去了。
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The black reticule sagged under the weight of shapeless objects .
黑色的拎包由于装了各种形状的东西而中间下陷。
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The ceiling sagged yesterday .
天花板昨天垂下来了。
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The new mattress I bought sags in the middle .
我买的新床垫中间陷了下去。
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The bed sags in the middle , and is uncomfortable .
床的中间往下塌，很不舒服。
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He sagged wearily back in his chair .
他疲倦地瘫坐到椅子上。
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He sags his pants ; doo rags and a stockin cap .
他穿着松弛的裤子。抹布一样的帽子。
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Comparison on methods for voltage sag source detection in power distribution network
配电网中电压暂降源的检测方法比较
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An Analysis of Voltage Sag Exposed Areas in Distribution System
供电电压凹陷域的分析
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Voltage sag has been one of the most important problems of power quality .
电压暂降已经成为最主要的电能质量问题之一。
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Study on Voltage Sag and Its Measurement Method
电压凹陷现象及其测量方法的研究
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Interference source identification of voltage sag in distribution system based on Wavelet Transform
基于小波变换的配电网电压暂降的干扰源辨识
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Analysis on Sag Measurement and its Error of 750 kV Transmission Line
750kV凉乾线路弧垂测量及其误差分析
- 习语