Dipnictide
二磷族元素化物
??? 情景例句
It's a pleasure to meet you too, Mrs. Green. I've heard so much about you.
格林太太，我也很高興見到您。早就聽說過您。
That radio's pretty loud. Could you turn it down, please?
收音機太響了，你能把聲音開小一點嗎？
I'm writing.
我在寫字。