The old man managed to wheeze out a few words.老人勉强地喘息着说出了几句话.He has a slight wheeze in his chest.他呼吸时胸部发出轻微的响声.He came up with what seemed like a clever wheeze.他提出了一个看起来还不错的主意。He was awakened once from a faint by a wheez...
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....