双语例句
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They then took a bag from each area and sorted it into different material types, to give a representative sample of the type of waste that the school produces.
他们从每处提取一个袋子然后把它进行类别分类，这样可展示学校生产的有代表性的垃圾样品。
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Two alligator clips on the end will hold a variety of bag sizes, making sample collection easy and fast.
柄端两个鳄鱼夹可以配合使用多种尺寸的无菌取样袋子，使样品收集更容易，更快速。
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Place the sample in a plastic bag for further investigations.
用胶袋把样本装好以便带回实验室作详细分析。
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