The pungent, choking smell of sulphur filled the air.空气中弥漫着刺鼻呛人的硫磺气味....measures to reduce emissions of sulphur dioxide.二氧化硫的减排措施Sodium and sulphur are highly corrosive.钠和硫磺腐蚀性很强。The system adopted two - stage ammonium p...
Sulphur-containing compounds are often prefixed by the term "thio"含硫化合物的名称前通常有前缀thio。Sulphur is also used to sterilize equipment.硫也可用来给器材消毒。The pungent, choking smell of sulphur filled the air.空气中弥漫着刺鼻呛人的硫磺气味....
I'm afraid I'll have to ring off. Someone is calling me.恐怕我得挂断电话了, 有人叫我.I'd better ring off now.我该挂电话了.I can't get this ring off my finger.这个戒指我摘不下来....
Look, what huge bolls these are!瞧这棉桃的个儿!Boll weevil : grayish weevil that lays its eggs in cotton bolls destroying the cotton.略带灰色的象鼻虫,在棉铃上产卵以破坏棉花.After a couple of weeks, almost all the infected plants bore cotton bolls...