Pentasulfide
五硫化物
🗣️ 情景例句
OK. We'll walk back to your office with you.
好吧 ，我们陪你走回你的办公室去。
Who can best handle the problem?
谁能将那问题处理得最好？
The two boys carried the man to the school gate keeper's room.
两个男孩将那个人抬到了学校门卫的房间。