Ethanal acid
[医] 乙醛酸
🧩 词语组成解析
乙醛
🗣️ 情景例句
We should revise our protectionist practices in trade, and promote free trade and competition.
我们应该修改我们的贸易保护主义做法，推广自由贸易和竞争。
I've made a reservation at the hotel you used last time.
我已预订了你上次住过的旅馆。
How are you today?
你今天好吗？