久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

首頁英語詞典sulphursulphur英英釋意

sulphur

英 ['s?lf?] 美
  • n. 硫磺；硫磺色
  • vt. 使硫化；用硫磺處理

英英釋意

1. an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)