柯林斯词典testicle /ˈtɛstɪkəl/ (testicles) 1. N-COUNT A man's testicles are the two reproductive glands that produce sperm and are contained in the scrotum. 睾丸 返回 testicle剑桥词典either of the two round male sex organs that produce sperm and are contained in the scrotum (= bag of skin ) below and behind the penis 睾丸 返回 testicle