Nitroprotein
[医] 硝基蛋白, 硝化蛋白
🗣️ 情景例句
What's the difference? No one will ever find out.
有什么两样？没有人会发现。
It isn't much.
这是微不足道的。
But I didn't see much during the flight because there was too much cloud.
但我在飞行途中并没有看到什么东西，因为云层很厚。