英语语法分析

If thawed semen is used, it has to be injected directly into the uterus through the ewe's belly wall.

如果使用解冻的精液，它必须通过母羊的腹壁直接注入子宫。

Interviews revealed that the males with good semen quality ate significantly more fruits and vegetables.

访谈显示，那些精子质量高的男士吃明显更多的水果和蔬菜。

A human study has found strong links between BPA levels and semen quality, and the findings are not looking good.

现在，一项人类研究发现了双酚A含量和男性精子质量之间有密切关联，结果并不乐观。