risorius

名词 n.
中文释义
英 /ɹɪˈsɔː.ɹi.əs/|/ɹɪˈzɔː.ɹi.əs/    美 /ɹɪˈsɔɹ.i.əs/|/ɹɪˈzɔɹ.i.əs/

英文释义

名词 n.
  1. A narrow band of facial muscle arising from the fascia over the masseter and inserting into the tissues at the corner of the mouth, which it draws laterally, as is used when smiling.

词形变化

risorii plural

词源

Borrowed from Late Latin rīsōrius (“ridiculous, laughing”), clipping of mūsculus rīsōrius (“laughing muscle”).
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