Monocarboxylic
a. [化]一元羧的
🗣️ 情景例句
Mr. Carlson will be with you shortly. Carlson
先生不久就可以见你。
By the way, before leaving this subject, I would like to add a few comments.
在结束这个问题之前顺便一提，我希望能再提出一些看法。
This is Jim.
他是吉姆，