题目内容

冰所占的体积比水所占的体积大，而冰又是由水结成的。Ice occupies more space than the water from which it has been formed.

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在劳动密集型的农业中大部分的劳动力显示出很低的生产率水平，这种农业生产方法正在改变中。Much of the labor force in labor-intensive agriculture, which methods of production are changing, shows a very low level of productivity.

由于不同的水果或蔬菜都有其所特有的最佳包装空气浓度，即各有各的二氧化碳和氧气的最佳浓度及可容浓度，因此，挑选一种能在密封保鲜袋内适度调节空气，延缓包装食品变质的可透性塑料是十分重要的。Because each different type of fruit or vegetable has its own optimum atmosphere--its own optimum concentrations of carbon dioxide and oxygen and its own tolerances-- it is important to select a film which modifies the atmosphere within the sealed package to the correct extent to retard changes associated with deterioration.

如何在利用地球生态系统提高人类生活水平的同时，缓解该系统所承受的压力，完全取决于人类社会。It is the human societies to ease the strain we are putting on the nature services of the planet, while continuing to use them to bring better living standards to all.

Several times on his trips to China, which he made as a guest of the Chinese Government, Bill’s birthday occurred while he was in Beijing. 他作为中国政府的客人访问中国，比尔好几次都赶上在北京过生日。