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...
Many struggling firms are ready to break the law by dodging tax.很多挣扎求生的企业不惜违法逃税。For war reporters, dodging snipers' bullets is all in a day's work...对于战地记者来说，躲避狙击手的子弹是家常便饭。He boasts of dodging military service ...
This was not by any means a daring expedition into the outback, it was a very unambitious exploration.这绝不是什么冒险深入内地的远征，只是一次平淡无奇的探险而已。He tells the patient to use some medicine from a outback.用来指导病人用药.At Outback Steakhouse,...