constrictor
名词
UK/kənˈstrɪk.təʳ/
US/kənˈstrɪk.tɚ/
定义 constrictor 名词
animal
- Countable
A snake that kills its prey by coiling around it and squeezing.
The python is a powerful constrictor, capable of subduing large prey with ease.
In the jungle, various constrictors lie in wait to ambush unsuspecting animals.
These snakes are non-venomous, but they are still dangerous as constrictors.
body
- Countablemedicalspecialized
A muscle that causes a part of the body to become narrower.
The sphincter is a circular constrictor muscle that controls the opening of the body.
Muscles in the walls of blood vessels act as constrictors, regulating blood flow.
The pupil constricts when the constrictor muscles of the iris contract.