Coliformin
类大肠杆菌素
🗣️ 情景例句
I'll doing fine, too.
我也很好。
They are so busy these days, that they don't even have time for their friends.
他们最近忙得没法和朋友见面。
Yes, Mr. Wu. Thank you.
是的，吴先生。谢谢您。