科学家们正试图将天文学中的各派观点整合在一起。Scientists are trying to pull together disparate ideas in astronomy.总的说来，航空企业很好地促进了天文学的发展。Speaking generally, the space enterprise has served astronomy well.我们很快就将迎来天文学的新纪元。We are on the threshold ...
海滩上有些地方在涨潮时完全淹没在水中。Some stretches of beach are completely underwater at high tide.不久就要涨潮了。There was not much time before the tide turned.如果涨潮了，他们就去游泳。If the tide was in they went swimming....
She danced with a grace and lightness that were breathtaking.她的舞跳得优雅轻盈，令人惊叹。Such lightness of conduct is not to be permitted in church.做礼拜时,不允许这种轻浮行为。"I'm not an authority on them," Jessica said with forced lightnes...
Objective : To a GC method forquantitative determination of menthol ( C 10 H 20 O ) in Compound Apomorphine Hydrochloride Nasal Spray.目的: 建立新药复方盐酸阿扑吗啡鼻喷剂中薄荷脑 ( C10H20O ) 的含量测定方法.the nasal organ鼻子Mild silver protein nasal...