cremaster 擠乳肌
cre·mas·ter /krɪˈmæstɚ, krə-/ 名詞 提睾肌
Cre·mas·ter n. 1. Anat. A thin muscle which serves to draw up the testicle. 2. Zool. The apex of the last abdominal segment of an insect. ◄ ►