1
constrict sth
及物用法中，宾语常为表示身体通道或空间的名词，如 blood vessels、throat、airway。
The cold air constricted the blood vessels in his fingers.
冷空气使他手指的血管收缩。
压缩；束紧；使收缩
constricts — third person singular of constrict
先理解核心含义，再看它在真实句子里的用法。
压缩；束紧；使收缩
make (something) become tighter or narrower; compress
The cold air constricted the blood vessels in his fingers.
冷空气使他手指的血管收缩。
及物用法
使变窄,尤指通过施加压力。
To narrow, especially by application of pressure.
缠绕(猎物)使其窒息。(蛇类)
To coil around (prey) in order to asphyxiate it. (of a snake)
限制或约束。
To limit or restrict.
constrict
Base
原形
constricts
3rd person
第三人称单数
constricting
-ing
现在分词
constricted
Past
过去式
constricted
Past participle
过去分词
The snake constricts its prey to kill it.
蛇通过收缩身体勒死猎物。
The cold air constricted the blood vessels in his fingers.
冷空气使他手指的血管收缩。
The pupil is constricting in bright light.
在强光下，瞳孔正在收缩。
The tight bandage constricted the blood flow to his fingers.
紧紧的绷带使他手指的血液流动受阻。
The pupils constrict in bright light.
瞳孔在强光下会收缩。
The lack of funding constricted the project's scope.
资金的缺乏限制了项目的范围。
及物用法中，宾语常为表示身体通道或空间的名词，如 blood vessels、throat、airway。
The cold air constricted the blood vessels in his fingers.
冷空气使他手指的血管收缩。
不及物用法表示自身变紧或变窄，主语常为瞳孔、血管、喉咙等。
His pupils constricted in the bright light.
他的瞳孔在强光下缩小了。
Not this
The constrict of blood vessels can cause headaches.
Use this
The constriction of blood vessels can cause headaches.
constrict 是动词，表示“使收缩/收缩”，不能直接当名词使用；表达“收缩（这一过程或状态）”要用名词形式 constriction，因此主语应为 the constriction of blood vessels。
Not this
The constrict killed the mouse in seconds.
Use this
The constrictor killed the mouse in seconds.
表示“（蟒蛇等）绞杀者”或“收缩肌”的名词是 constrictor，由动词 constrict 加施动者后缀 -or 构成；constrict 只是动词，不能用来指代动物或工具。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
使血管收缩
Cold weather constricts blood vessels and may raise blood pressure.
寒冷的天气会使血管收缩，并可能使血压升高。
使瞳孔收缩
Bright light constricts the pupils automatically.
明亮的光线会使瞳孔自动收缩。
使气道变窄
An allergic reaction can constrict the airways and make breathing difficult.
过敏反应会使气道变窄，导致呼吸困难。
限制活动；束缚行动
Tight clothing can constrict movement during exercise.
紧身衣物在运动时可能会限制活动。
勒紧猎物
The python constricts its prey until the animal stops breathing.
蟒蛇勒紧猎物，直到它停止呼吸。
Use constricts naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 con- 想成“一起”，strict 联想“拉紧、严格”，合起来就是“一起拉紧→使收缩”，像绳子束紧一样，记 constrict 为“收缩”。
语域：neutral 常见场景：一般书面描述、医学/生理描写 “constrict”通常多用于正式或书面语境，比较常见于医学、生理或技术类描述；日常口语中更常说 tighten 或 get narrower，语气更自然。
与 constrict 押韵的词有 strict, restrict, predict, inflict：它们的重读元音均为 /ɪ/，后接 /kt/。注意 district 重音在第一个音节，不押韵；construct 的元音是 /ʌ/，也不押韵。
Dictionary facts from ECDICT, WIKTIONARY.