Equielectron principle
[化] 等电子原理
🧩 词语组成解析
🗣️ 情景例句
Did you find one?
找到合适的吗？
What's your job?
你的工作是什么？
An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。