Mesition
3-二甲氨(基)甲酰氧基-1-甲基吡啶
🗣️ 情景例句
At what time?
几点？
Please speak more slowly.
请说得慢一些。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。