25.By the quiet persistence of the truth-seekers, working upstream against the flow of ancient prejudice,mankind has entered into new realm of health,and the borderlines of death have been pressed farther back.
由于真理探索者顶着守旧派偏见的逆流,默默无闻、坚持不懈地努力工作,人类才得以进 入了新的健康王国,而死亡的界线则被抛到离我们更远的地方。(介词短语By...truth-seekers用作原因状语,说明谓语动词hasentered。)
26.When a man picks up a weight from the floor and raises it above his head, he has in effect inserted his body between the weight and the earth and pushed the weight one way with his hands,and thee arth the other way with his feet.
当一个人从地板上拿起重物并把它举到头顶上时,实际上他是把自己的身体置于重物与地 面之间,他用双手朝着一个方向推着重物,而用双脚朝着另一方向推着地面。(pick up,“拿起”。in effect,“实际上”。one way,“朝着一个方向”。the other way,"朝着另一方向”。这两个短语前均省略介词in,作状语。and与the earth之间省略了谓语pushed。)
27.But this is not possible because of the size of the country,with the distance from Dehli to Madras,for example,being greater than that from London to Rome.
但这是不可能的,因为印度面积大,譬如,从德里到马德拉斯的距离,就比伦敦到罗马还 要远。(with,名词+分词的结构,可用作状语和定语。句中with the distance..。being用作定 语,对size进行补充说明。that from...that代替distance。)
28.Even at this moment many Of the earth's natural treasures are being destroyed,manyvaluable animals and plants are been killed off,it is becoming increasingly difficult to grow enough foods to preserve much of the earth's population from stavation.
甚至现在,地球上的许多自然财富正遭到破坏,许多珍稀动植物已面临灭绝之灾,为使地球上大多数人口免于饥饿而生产出足够的粮食也越来越困难了。(to preserve...from,“使……免于”。)
29.If the Earth,Moon and Sun move into a direct line,with the Moon in the middle,the dark body of the Moon blots out the briliant disk of the Sun,and we witness a solar eslipse.
假如地球、月球和太阳运行到一条直线上,月球在中间,那么月球的暗体就遮住了太阳的亮盘,于是我们便看到日食。(with the Moon in the middle是with引出的介词复合结构,在句中起补充说明作用。)