Gnotobasis
无菌环境
🗣️ 情景例句
May I have a pillow and blanket, please?
能给我一个枕头和毛毯吗？
I'm going to try to leave by 10:00.
我争取10点以前离开。
Does that matter? Can't you just wear a flower instead?
这有什么要紧？难道不可以就戴朵花吗？