柯林斯詞典testicle /?t?st?k?l/ (testicles) 1. N-COUNT A man's testicles are the two reproductive glands that produce sperm and are contained in the scrotum. 睪丸 返回 testicle劍橋詞典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 睪丸 返回 testicle