Ammoniometer
[机] 氨量计
🗣️ 情景例句
I told you you'd like it. I've been doing this for years.
我告诉过你你会喜欢的。我多年来一直从事这项活动。
I really don't know.
我真不知道。
We can negotiate the unit price for large orders.
如果大量订购，单价可以再谈。