收缩

心脏肌肉收缩以挤压出血液。

The heart muscles contract to expel the blood .

身体活动时肌肉收缩放松。

Muscles contract and relax during physical activity .

此项训练包括伸展和收缩腿部肌肉。

The exercise consists of stretching and contracting the leg muscles .

子宫开始每隔五分钟收缩一次。

The contractions started coming every five minutes .

收缩血管的药

a drug that constricts the blood vessels .

股票市场骤然收缩，让他们剩下了许多无人要的股票。

The sudden contraction of the markets left them with a lot of unwanted stock .

玻璃遇冷收缩。

Glass contracts as it cools .

经济收缩意味着税收的减少和政府债务的增加。

Shrinking economies mean falling tax revenues and more government debt .

肌肉的收缩消耗能量并且释放热量。

The contraction of muscles uses energy and releases heat

撕裂的肌肉会收缩，丧失原来的力量、结构和紧实度。

Torn muscles retract , and lose strength , structure , and tightness .

严重的偏头疼可以用一种收缩血管的药物进行治疗。

Severe migraine can be treated with a drug which constricts the blood vessels

新的研究表明，过量食用肉类和盐可能会导致肌肉收缩。

New research shows that an excess of meat and salt can contract muscles .

类固醇用于消除可能导致气道肌肉收缩的炎症。

Steroids are used to reduce the inflammation , which makes the muscles of the airways liable to constriction .

寒冷的天气使墙上的水泥收缩，直至最后开裂。

The cold weather made the cement in the walls contract until it finally cracked .

空气遇热时膨胀，变冷时收缩。

When air is heated , it expands and when air is cooled , it contracts .

敌人收缩到几个据点里。

The enemy drew back into a few fortified points .

这肥皂会使毛织品收缩吗？

Will this soap shrink woolen clothes ?

低温使金属收缩。

Low temperature contracts metals .

体温下降时正常的反应是周围血管收缩。

The normal response to a drop in body temperature is peripheral vasoconstricition .

前进的士兵不得不收缩队伍礼让迎面而来的车队驶过。

The marching men had to close up to let the oncoming convoy go past .

金属遇冷就会收缩。

Metals contract as they cool .

蓬皮杜中心解释道：“从无限小到无限大，收缩和膨胀在焦点之间反复游走着：有弗拉芒画派的精细，还有他用于菲格拉斯博物馆剧院那幅旧画的艳丽巴洛克风格。”

" From the infinity small to the infinity large , contraction and expansion coming in and out of focus : amazing Flemish accuracy and the showy Baroque of old painting that he used in his museum-theatre in Figueras , " explains the Pompidou Centre .

他收缩他的肱二头肌以吸引那些女士们的目光。

He gave his biceps a flex to impress the ladies .

心脏通过收缩肌肉抽取和放出（血液）

The heart pumps by expending and contracting of muscle .

给出了任意自同态像图都是收缩核的分裂图的结构

The split graph is given endomorphism images are retracts .

木料收缩，结果围墙露出缝来

Contraction of the timbers left gaps in the fence .

6.5%的增速与去年经济增速收缩1.7%相比，是一个巨大反弹。

The figure of 6.5 percent represents a significant rebound registered last year .

正常时，能够感觉到心脏的运动是性质截然不同的收缩和舒张的撞击

Normally the heart movements can be felt as distinct systolic and diastolic thumps .

研究人员发现，比较柔软的肠道区域会缓慢收缩并给便便塑形。

Softer intestinal13 regions squeeze slowly and mold the final corners of the cube , researchers found .

有趣的是，大多数哺乳动物的肠道肌肉都是向各个方向收缩，但是袋熊带纹路的肠道肌肉组织和不规则的收缩方式却将便便塑造成了不同的形状。

Interestingly , in most mammals , the contractions14 of intestinal muscles occur in all directions , but in wombats , the grooved15 tissue and irregular contractions shape the poop differently .