n.睾丸
In the 1920s the first testicle transplants were under way. 20世纪20年代首次进行睾丸移植。
He had a hernia in his testicle, but was too scared to get it checked. 亚历山大先生的睾丸上长了一个突起，但是因为过于害怕，他不愿接受检查。
名词testicle的复数形式.
