Pentahalide
五卤化物
🗣️ 情景例句
I made a lunch date with him and his daughter weeks ago.
几星期前我约好和他以及他女儿共进午餐。
Is this seat taken?
这位子有人坐吗？
That was used for drinking, said Wei Hua.
“那是饮用东西的用具。”魏华说。