n.壓縮；收縮；緊壓的感覺

Emotion caused a constriction of his throat. 他激動得都哽咽了。

There was a small pleural effusion and no evidence of pericardial constriction. 有少量胸腔積液，沒有心包收縮的證據(jù)。

Eventually, unable to bear the constriction of family life, he left home. 他不能忍受家庭生活的那種被勒著的感覺，最后他離開了家。

He felt a constriction in her chest. 他感受到她胸中的壓抑。

n.〈生理〉血管收縮