单词：degerminating mill
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单词：degerminating mill 相关文章
Science and technology. 科技。 Salt-tolerant rice. 耐盐大米。 Nuclear-powered crops. 核动力粮食。 Physics meets biology in a project to breed better strains of rice. 物理学与生物学的碰撞--优质大米培植。 THOSE who turn t
发表于:2018-12-31 / 阅读(114) / 评论(0)
经济学人科技系列
经济学人科技系列
and they begin to pluck them long before they are ripe, so that when the crop of white-pine cones is a small one, as it commonly is, 那时松果成熟还早，果实还小，松鼠们便早早开始动手了。 they cut off thus almost everyone of t
发表于:2019-02-21 / 阅读(120) / 评论(0)
美国语文第五册
美国语文第五册