名詞 extensor:

1. a skeletal muscle whose contraction extends or stretches a body part
   同義詞：extensor muscle

ex.ten.sor

n.（名詞）
A muscle that extends or straightens a limb or body part.
伸?。褐w或軀體部分的伸張或伸直的肌肉

來源：
New Latin
現(xiàn)代拉丁語(yǔ)
from Latin extônsus [past participle of] extendere [to stretch out] * see extend
源自 拉丁語(yǔ) extônsus [] extendere的過去分詞 [伸出] *參見 extend