Coliformin
类大肠杆菌素
🗣️ 情景例句
I'll discuss this matter with you behind closed doors.
我要跟你私下谈这个事。
I will be very glad when I receive the letter.
如能接到你的来信，我将会非常高兴。
With sugar and milk?
要加糖和牛奶吗？