Quadrupole moment
[化] 四极矩
🧩 词语组成解析
[化] 四极
🗣️ 情景例句
Are we scheduled to leave on time?
飞机准时起飞吗？
It's a beautiful country with several chains of mountains.
这个国家很美，它有很多山脉。
Just now we all watched you sign to show that you had received the cheque.
刚才我们大家都观察到了你为表明已收到那张支票而签名。