Pentane carboxylic acid
[化] 己酸
🧩 词语组成解析
n. 戊烷\\n[化] 戊烷
[机] 羧基的
🗣️ 情景例句
You'll never guess what happened the other day!
你永远也猜不到前几天发生什么事了！
Three hundred thousand dollars! I think you should sign with our team.
三十万美元啊！我想你会和我们球队签约的。
When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.
最近有个学生看见两个工人在学校门外用风钻干活，马上打电话报告警察，说有两个学生装扮成工人，正在用风钻破坏路面。