Pentasulfide
五硫化物
🗣️ 情景例句
It's not uncommon to encounter sexual harassment in the office.
在办公室遭遇性骚扰并不少见。
Why don't you like me?
你为什么不喜欢我呢？
No! I think February is worse than January.
不！我认为2月比1月更糟。