to become tighter and narrower , or to make something become tighter and narrower
发音
例句
1. Men and women alike have been constricted by traditional sexual roles. 男性和女性同样受到传统性别角色的束缚。 2. Severe migraine can be treated with a drug which constricts the blood vessels. 严重的偏头疼可以用一种收缩血管的药物进行治疗。