空气中弥漫着刺鼻呛人的硫磺气味.The pungent, choking smell of sulphur filled the air.钠和硫磺腐蚀性很强。Sodium and sulphur are highly corrosive.他燃烧了一块预先仔细称过分量的硫磺.He burned a piece of sulphur which he had carefully weighed beforehand....
Anopheles mosquitos transmit malaria.疟蚊传播疟疾.Methods: Observation on the population and ecology of Anopheles.方法: 对按蚊种群生态观察.A NEW SPECIES OF ANOPHELES ( DIPTERA: CULICIDAE )按蚊属一新种描记 ( 双翅目: 蚊科 )...