Polychloride
多氯化物
🗣️ 情景例句
It was a pleasure meeting you, too.
我也很高兴碰到你。
Birth is much, but breeding is more.
出身固然重要，教养更且重要。
I'm sorry to have done that. I didn't mean to be so rude.
我为那样做感到抱歉。我并不想那样粗鲁的。