spermiduct

例句：

1. 1.The spermiduct is a narrow tube that connects the testes to the urethra.
   输精管是连接睾丸和尿道的狭窄管道。
2. 2.In humans, the spermiduct is responsible for transporting sperm from the testes to the urethra.
   在人类中，输精管负责将精子从睾丸运输到尿道。
3. 3. Spermiduct surgery is often performed to treat conditions such as varicocele or hydrocele.
   输精管手术通常用于治疗静脉曲张或水囊症等疾病。