Pentendioic acid
[化] 戊烯二酸
🧩 词语组成解析
🗣️ 情景例句
Freeze!
别动！
In university, students are trained to become teachers and engineers.
大学的学生被训练成为教师和工程师。
I won't charge you this time.But you'd better not do it again!
这次我就不罚你款了。但你最好不要再开得这样快。