Ammoniometer
[机] 氨量计
🗣️ 情景例句
I sold your father that house seventeen years ago.
十七年前我把那栋房子卖给你父亲的。
When three know it, all know it.
三人知，天下晓。
Good.we can't extend the deadline.
那好，我们可不能延期的。