Acetylic
a. 乙酰基群的
🗣️ 情景例句
Don't drink the tap water.
别喝自来水。
The restaurant is downstairs.
那餐厅在楼下。
I left the bag in the hall and Robert and I went into the living room where we talked for a couple of hours.
我把纸袋放在门厅里，与罗伯特一起进了起居室，在那里聊了好几个钟头。