双语例句原声例句
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当我们洗热水澡的时候收集冷水，我们也可以节约用水。
By collecting cold water when we were taking warm showers, we can also save water.
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通过放大太阳能的技术可以节约光伏电池所需的半导体材料的数量。
The technology of amplifying solar energy can save the number of semiconductor materials required for photovoltaic cells.
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由此可知，节约使用能源储备可以延长寿命。
It follows from the above that sparing use of energy reserves should tend to extend life.
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So you can scroll back through your history, which is also useful for time's sake.
所以我们可以滚回到我们的历史记录，这个可以节约我们的时间。
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It's too early to tell what the impact on learning will be from open course ware but we know from messages people have sent us that educators see tremendous value in being able to use the site to build work upon others.
现在还不好说,但是通过人们发来的邮件我们知道了,教育者对于能够在别人的基础上,展开自己的工作给予很高赞扬,他们现在可以节约下时间。
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