- 重点词汇
- theseadj. 这些的;
- agriculturen.农业;农耕;农业生产;农学;
- usen.(使)用;用法;用途,功能;使用权;使用价值;
- be used tov.习惯于,适用于;惯于
- processn.(为达到某一目标的)过程;进程;(事物发展,尤指自然变化的)步骤;流程;做事方法;工艺流程;工序
- pressesn.压( press的名词复数 );印刷机;[总称]新闻;紧迫;
- animal feed动物饲料;
- willn. 愿意;意志(力);[法]遗嘱;
- 相关例句
Many people believe that the world's supply of fresh water will never be used up.
许多人认为,世界上淡水供应将永远不会被用完.
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The bamboos in the area cannot be used up if they are felled alternatively.
这里的竹子,如果轮流砍伐,是永远也砍不完的.
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Energy cannot be used up, it is only changed from one form into another.
能量不会用尽, 它只是由一种形式转换成另一种形式.
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Plants provide many chemicals that can be useful to humans, especially for drugs and insecticides.
植物能为人类提供有用的化学物质, 特别是药物和杀虫剂.
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It may still be useful to press the point home by working out a particular illustration.
通过一种特殊的说明来表明这点也许仍是有用的.
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Before going further, it may be useful to get some perspective on the national debt.
在作进一步讨论前, 先观察一下国内负债情况可能是有用的.
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