单词:cleftgraft
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By Mario Ritter Broadcast: August 12, 2003 This is Bill White with the VOA Special English Agriculture Report. We often think of agriculture as planting seeds and harvesting crops. But many crops do n
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Grafting is a way to produce plants from pieces of existing plants instead of seeds. Branches or buds are cut from one plant and placed on a related kind of plant. The branch or bud that is grafted is called the scion. The plant that accepts the graf
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玛丽把听不见的耳朵遮起来,假装用好的耳朵来做听力测试。她知道老师通常会说些天空是蓝色的、你鞋子是什么颜色的呢之类的话。但是那天却没有。那天莱纳德对着玛丽说出的几个字犹如
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英语美文