retentor

保持肌

词形变化

retentors 复数 retentors

释义与例句

n.
  1. 1.

    A muscle which holds a body part in place, notably in extended or retracted position

词源

Borrowed from Latin retentor, from retentare, from retinere (“retain, hold back”), from re- + tenere.

来源：wiktionary