Dipolar bond
[化] 偶极键
🧩 词语组成解析
a. 偶极的, 两极的\\n[医] 偶极的, 两极的
🗣️ 情景例句
What subject did you major in university?
你在大学主修的科目是什么？
Yes, I'm applying to work at the library.
是的，我在申请图书馆管理员的工作。
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。