Protamines
鱼精蛋白
🗣️ 情景例句
It's inevitable that he'll find out about it.
他无可避免地会发觉此事。
It is right to put everything in its proper use.
凡事都应该用得其所。
I'm sorry, Mathilde. Have times been hard for you?
玛蒂尔德，我真替你难过。这些年来境况不太好吧？