Ferrous disulfide
[化] 二硫化铁
🧩 词语组成解析
(=disulphide) n.二硫化物
🗣️ 情景例句
You'll have to ask a whole lot nicer than that I'm afraid.
恐怕你应该要问得有礼貌一点吧。
By the side of sickness health becomes sweet.
和疾病相比较，才显得健康的可贵。
John is a Canadian. He lives in a tall building in the city of Toronto.
约翰是加拿大人。他住在多伦多市的一幢高楼里。