精巢的

例句：

1. 1. He was diagnosed with testicular cancer.
   他被诊断出患有睾丸癌。
2. 2.The testicles are responsible for producing sperm.
   睾丸负责产生精子。
3. 3. The testicles are sensitive to temperature changes.
   睾丸对温度变化很敏感。