睾丸
either of the two oval organs that produce sperm in male animals, located in the scrotum behind the penis
:
• The doctor examined the patient's testicles for any abnormalities.
醫生檢查了患者的睾丸是否有異常。
• Injury to the testicles can be very painful.
睾丸受傷會非常疼痛。
