constriction

基本解释

Pupillometrics is a method of measuring blinking rates and pupil dilation or constriction, which can be done with video recordings and careful later analysis.
瞳孔识别是一种观察眨眼频率和瞳孔扩张、收缩的方法。通常是事先录下视频然后再仔细观察分析。
It can not only repair itself but also generate electricity during constriction. The electricity may even charge up your mobile phone or MP3 player in the future.
这种人造肌肉不仅能自我修复，而且还可以在运动收缩过程中产生电力，未来甚至能为手机或MP3播放器充电。
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Airway smooth muscle is located within the walls of airways in the lung and the excessive and inappropriate constriction of the muscle is a predominant feature of asthma.
气管平滑肌位于肺部的气管表面上，而它的过度的收缩和不当应激反应是引起哮喘的主要原因；

But it was as if some inner constriction had dissolved, some sense of her drifting gradually into unhappiness.
NEWYORKER: Miracle Polish
Arup points to a sudden, rapid constriction in oil supply as the resource becomes more expensive and difficult to extract, coupled with rising demand.
FORBES: Magazine Article
In extreme cases, blood vessel constriction can lead to a dangerous lack of oxygen, which can result in ulcers, tissue death or gangrene, and (rarely) amputation.
FORBES: Winter Weather Skin Conditions: The Trifecta

Constrictions are rules or factors which limit what you can do and prevent you from doing what you want to do. &rarrsee also constrict

缩窄
狭窄
Methods: The rat model of left renal vein constriction was established by left renal vein partial deligation operation.
方法:采用左肾静脉不全结扎的方法建立大鼠左肾静脉狭窄模型。
生物学
缢痕
缢缩
收缩
变窄
收缩沟
压缩;缢痕;狭窄
缩窄