Ammonianmeter
[机] 氨量计
🗣️ 情景例句
I think you are getting off the subject. Could we get back to the main point, please?
我觉得你跑题了。 我们能不能回到主题上来？
I beg your pardon?
对不起，请再说一遍。
Thank you.
谢谢。