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The scales of the pangolin were composed of the very thin prismy construction units and the folded units.
穿山甲的鳞片由非常薄的棱柱形结构单元和折叠单元组成。
youdao
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The scales of the pangolin were composed of the very thin prismy construction units and the folded units.
穿山甲的鳞片由非常薄的棱柱形结构单元和折叠单元组成。
youdao