Biosystematic
a. biosystematics的变形
🗣️ 情景例句
I'm sorry I missed him. I had to work late.
很抱歉我错过了他醒着的时候。我必须工作到很晚。
Hey you! Don't touch that picture!
喂，你！别碰那幅画！
No, I think it'll be all right for him to go to school.
不，我想他去上学没什么关系。