Pentacarboxylic acid
[化] 五羧酸
🧩 词语组成解析
🗣️ 情景例句
I am a representative of Politics Association.
我是政治协会的代表。
It will be very pleasant to go fishing with you.
跟你去钓鱼的话，将会很愉快。
Before Annie Sullivan came to our house, one or two people had told my mother that I was simple-minded.
安妮·莎利文来到我们家之前，已有一两个人告诉我母亲，说我头脑简单。