Diacetamide
二乙酰基胺
🗣️ 情景例句
In my opinion, winter in Beijing is not very cold.
我觉得北京的冬天不是特别冷。
The post office is two blocks straight ahead, You can't miss it.
那邮局一直向前走过两条街，很好找。
Excuse me. Is there a bookshop near here?
请问，附近有书店吗？