每吨煤平均含30公斤氮.Every tonne of coal contains, on average, 30 kilograms of nitrogen.植物需要氮以便制造蛋白质.The plant requires nitrogen in order to make proteins.空气中所含的氮的比例是多少?What is the percentage of nitrogen in air?...
Can we put our schoolbags here?我们可以放书包在这里 吗 ?I hear you have all sorts of schoolbags on display nowadays.听说你们最近正在展销各种书包.HER moon - shaped head appears on everything from schoolbags to fashionable watches.从书包到时尚腕表,HelloKi...
We had the pick of suits from the shop.我们买了店里最好的套装。This Australian wine is the pick of the bunch.这种澳大利亚葡萄酒是最好的葡萄酒.It's the pick of this month's new films.这是本月新上映的影片中的精品....
这种声音像所有的音乐一样,如短剑般直刺我心。This sound, like all music, pierced my heart like a dagger.他用短剑刀口迅速将锁撬开.He snapped the little lock with the blade of his stiletto.当他转过身来时,短剑已握在手中.When he turned the stiletto was in his band....