testis

US /ˈtes.tɪs/
UK /ˈtes.tɪs/
"testis" picture
1.

睾丸

a male reproductive gland that produces spermatozoa and male hormones, usually situated in the scrotum in mammals

:
The doctor examined the patient's testis.
醫生檢查了病人的睾丸
Each testis is responsible for producing sperm.
每個睾丸都負責產生精子。