Methanedicarboxylic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
I talked to Mr. Marchetta.
我跟Marchetta先生谈了。
Hope is a good breakfast, but a bad supper.
希望是美味的早点，但又是难咽的晚餐。
We'd like a chance to bid on this business.
我们希望能有机会投标这笔生意。