Pentasulfide
五硫化物
🗣️ 情景例句
Marilyn and I hope to use money from the sales of this book Marilyn
和我希望用这本书销售的钱
I believe they also deserve this award.
我认为他们也有资格获得这一奖项。
I can't read it!
我看不懂这封信，