constrict
/kənˈstrɪkt/verb
with obj.
1- make narrower, especially by encircling pressure使缩窄, 使收缩; 压缩; 收紧：
chemicals that constrict the blood vessels
使血管收缩的化学药品
as adj. constricted constricted air passages.堵塞的通气道。
1.1
- no obj. become narrower缩窄, 收缩; 变紧：
he felt his throat constrict.
他感到喉咙发紧。
1.2
- (of a snake) coil round (prey) in order to asphyxiate it（蛇）盘绕以使窒息。
1.3
- figurative restrict〈喻〉抑制, 限制; 约束：
the fear and the reality of crime constrict many people's lives.
对犯罪的恐惧和罪恶的现实束缚了许多人的生活。
派生词
constriction
nounconstrictive
adjective词源
mid 18th cent.: from Latin constrict- 'bound tightly together', from the verb constringere （see CONSTRAIN）.