人们早已知道，如果材料的表面积足够大，可引起催化反应。It had been known for some time that chemical reactions can be catalyzed by materials with large surface areas.它们对被它们催化的反应有很强的专一性.They are highly specific for the reactions that they catalyze.在...
They had entered the country and had applied for permanent residence.他们已经入境该国，并申请了永久居留权。In most of the residence halls we visited, rules prohibit disorderly conduct.在我们走访的学生宿舍里，大多明令禁止胡作非为。Wakoski is writer in residence a...
数年前，艾莱的农场就实现了机械化。Mechanization happened years ago on the farms of Islay.不过，他最宝贵的时光将在自己的农场里平静地度过。His most prized time, though, will be spent quietly on his farm.我来到该农场住下纯属偶然。I came to live at the farm by happenstance....
The Atlantic Ocean separates America from Europe.大西洋把美洲和欧洲分隔开来.Atlantic City is the hot favourite to stage the fight.在大西洋城举行这场拳击比赛是众望所归。...the southernmost point of South America where the Pacific and Atlantic oceans mee...