The atmosphere consist of more than 70 % of nitrogen.大气中含有70%以上的氮气.Every tonne of coal contains, on average, 30 kilograms of nitrogen.每吨煤平均含30公斤氮.The plant requires nitrogen in order to make proteins.植物需要氮以便制造蛋白质....
Non - basic nitrogen - containing series include pyrroles, indoles, carbazoles and benzcarbazoles.不含碱性氮的化合物包括吡咯 、 吲哚 、 咔唑和苯咔唑.Nitrogen trifluoride ( NF 3 ) is a toxic, colorless, odorless, nonflammable, oxidizing compres...
His account of the fire accident includes a lot of extraneous details.他对失火事件的描述含有大量离题的细节.I can choose to ignore these extraneous thoughts or certainly choose not to act on them.我可以选择无视这些无关的想法，当然也可以选择不按这些想法行事。We ought not...
He was just as feared and reviled as his tyrannical parents.他和他专横残暴的父母一样为人惧怕和憎恨。He killed his tyrannical father with a blow to the head...他冲着暴戾的父亲的头部猛击了一下，把他打死了。Tyrannical Hollywood film moguls ruled their stars’ lives.好...