95. 老人和年轻人之间只有一个区别：年轻人的前面有辉煌的未来，老年人灿烂的未来却已在它们身后。这也许就是困难之所在。
There is only one difference between an old man and a young one: the young man has a glorious future before him and old one has a splendid future behind him: and maybe that is where the rub is.

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60. 在竹子的近七百个品种中，有的全长成还不到一英尺，有的却能在二十四小时内长出三英尺。
Among almost seven hundred species of bamboo, some are fully grown at less than a foot high, while others can grow three feet in twenty-four hours.

92. 石头不会腐烂，所以以前的(石器)工具能保存下来，虽然它们的制造者已经消失的无影无踪。
Stone does decay, and so tools of long ago have remained when even the bones of the man who made them have disappeared without trace.

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81. 电视，这项从迅速变化和成长为标志的最普及和最有影响力的现代技术，正在步入一个新时代，一个极为成熟和多样化的时代，这将重塑我们的生活和世界。
Television the most pervasive and persuasive of modern technologies, marked by rapid change and growth, is moving into a new era, an era of extraordinary sophistication and versatility, which promises to reshape our lives and our world.

32. 科学家曾相信：氙气是不能形成化合物的。
That xenon could not FORM chemical compounds was once believed by scientists.

28. Elizabeth Blackwell，美国第一个女医生，创建了员工一直为女性纽约诊所。
Elizabeth Blackwell, the first woman medical doctor in the United States, founded the New York Infirmary, an institution that has always had a completely female medical staff.

91. 美国西部的不毛之地正成为玩耍的地方，对越来越多拥有摩托车或越野单车类车辆的，喜欢放纵于爬坡比赛或开辟新的沙漠通道的寻欢作乐者具有不断增长的吸引力。
Arid regions in the southwestern United States have become increasingly inviting playgrounds for the growing number of recreation seekers who own vehicles such as motorcycles or powered trail bikes and indulge in hill-climbing contests or in caving new trails in the desert.

55. 优化历史是由一连串的迷人事件组成，其源头大概可以上溯到最早的图画。
The history of painting is a fascinating chain of events that probably began with the very first pictures ever made.

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9. 诽谤和流言的区别在于前者是书面的，而后者是口头的。
The difference between libel and slander is that libel is printed while slander is spoken.

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15. 受当代灌溉(技术设施)之赐，农作物在原来只有仙人掌和荞属科植物才能生存的地方旺盛的生长。
Thanks to modern irrigation, crops now grow abundantly inareas where once nothing but cacti and sagebrush could live.

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