Pentachloride
五氯化物
🗣️ 情景例句
I'd love to, Philip, but I'm afraid I can't.
我很想， Philip ，但是恐怕不行。
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
I don't want to see your face!
我不愿再见到你！