Semen Ignatii

例句：

1. 1.The sperm count is crucial for fertility.
   精子计数对于生育至关重要。
2. 2.He was in the sperm pool, but he didn't get a chance to swim.
   他在精子池里，但他没有机会游动。
3. 3.The sperm whale is one of the largest and most powerful animals on Earth.
   精子鲸是地球上最大的、最强大的动物之一。