Early astronomers thought that our planet was the centre of the universe.早期的天文学家认为我们的星球是宇宙的中心。Space scientists and astronomers have taken another step forwards.航天科学家和天文学家又取得了进展。Astronomers used to ask why only Saturn has...
Astronomers usually assume that interstellar dust is closely confined to the galactic plane.天文学家通常认为,恒星际星尘都是紧靠着银河平面的.Early astronomers thought that our planet was the centre of the universe.早期的天文学家认为我们的星球是宇宙的中心。Astronome...
His defection to the other side was the ultimate betrayal.他变节投向另一方是最终的背叛.OBJECTIVE : To investigate the defection dynamics of Yiqi Runchang Liquid in treating asthenic - type constipation.目的探讨益气润肠液对虚证便秘肛肠动力的作用.Houghton, ...
He could barely afford the railway fare.他几乎买不起火车票。The taxi driver stopped to pick up a fare.出租车司机停车让一个乘客上车。In second class the fare is £85 one-way.二等车厢单程票价是85英镑。Open - jaw itineraries are permissible within same fare lev...
However, some encyclopedias can be found on the Web.同时, 一些百科全书能也在网络上找到.Few people think of encyclopedias as creative enterprises; but they are.鲜少有人想到百科全书是创意的工作, 但它确实是.There are two types of encyclopedias -- general and s...