Carboxylic ester
[化] 羧酸酯
🧩 词语组成解析
[机] 羧基的
n. 酯\\n[化] 酯
🗣️ 情景例句
Oh, that's too bad, Robbie.
啊 ，那太遗憾了， Robbie。
Did you have a good day today?
你今天过得好吗？
We invited them to our party but they decided not to come.
我们请了他们参加聚会，但他们决定不来。