cloacal plug

例句：

1. 1. The doctor inserted a cloacal plug to prevent infection.
   医生插入了一个阴囊塞子以防止感染。
2. 2. He was diagnosed with a cloacal plug and had to undergo surgery.
   他被诊断出患有阴囊塞子，并不得不接受手术。
3. 3. Cloacal plugs are commonly used in fertility treatments to prevent premature ejaculation.
   在生育治疗中，阴囊塞子常被用来防止过早射精。