Pnicogen
磷族元素
🔁 扩展释义
【化】 磷属元素
🗣️ 情景例句
Yeah, where have you been lately?
是啊，你最近到哪儿去了？
It is easier to give good counsel than to follow it.
提出忠告易，照著办事难。
I shall never forget that extraordinary evening.
我永远忘记不了那个不平凡的夜晚。