Nanogram
[化] 纳克
🗣️ 情景例句
I do.
我愿意。
Do you have any comments to make on the recent developments.
你对最近事态的发展有什么评论吗？
Dentists always ask questions when it is impossible for you to answer.
牙科医生们总是在你无法作出回答的时候向你提出问题。