constrictor

constrictor
noun
  1. a snake that kills by coiling round its prey and asphyxiating it
    蟒，大蟒；大蛇
  2. Families Boidae and Pythonidae, and some members of other families (in particular Colubridae)
    蚺科和蟒科及其他科的一些成员（尤指遊蛇科）
  3. (亦作 constrictor muscle)(Anatomy)a muscle whose contraction narrows a vessel or passage
    (剖)括约肌，缩肌
    ■each of the muscles which constrict the pharynx
    缩窄器
语源
  1. early 18th cent.: modern Latin, from constrict- 'bound tightly together', from the verb constringere (see constrain)
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