Pentoic acid
[化] 戊酸
🧩 词语组成解析
🗣️ 情景例句
I'm going nowhere in my present job.
我现在的工作没有出路。
This telephone line is interrupted.
这个电话不通。
When Harry put on his act of being mildly annoyed, the assistant promised to order some for him.
哈里装出不高兴的样子时，女售货员答应为他定货。