extensor
noun /ɪkˈstensə(r)/
/ɪkˈstensər/
(also extensor muscle)
(anatomy- a muscle that allows you to make part of your body straight or stretched out
伸肌 词源early 18th cent.: from late Latin, from extens- ‘stretched out’, from the verb extendere ‘stretch out’, from ex- ‘out’ + tendere ‘stretch’.