Diprotic
双质子的
🗣️ 情景例句
We've been listening to you both.
我们一直在听你们朗诵。
He that is ill to himself will be good to nobody.
不知自爱的人也不会爱别人。
I'll have to stay at the office.I don't know when I'll finish.
我不得不留在办公室，不知道什么时候才能结束。