Pentasulfide
五硫化物
🗣️ 情景例句
Could you give me some information on your European tours?
你可以给我一些你们经办的有关欧洲旅行的资料吗？
Did you go to the beauty salon?
你今早去理发厅了吗？
No, I think it's open. Look!
不，我想开着呢！你看。