Heptanone
n. [化]庚酮
🗣️ 情景例句
I've read your application materials with interest.
我很有兴趣地看了你的申请材料。
Never say die! Up man, and try.
不要气馁，朋友，振作起来，干！
I have a question about this quotation you submitted.
你提出的报价我有问题。