Methanedicarboxylic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
I chose to continue with my career as a music teacher.
我选择继续我的音乐教师的事业。
Glad to have been of help.
我很高兴能给您帮个大忙。
That's terrible.
真糟糕！