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2013-05-23 12:21
求翻译：9. Goodyear, an American, had been trying for years to find a way in which rubber could be made hard, non-sticky, and yet elastic.是什么意思？ 待解决
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9. Goodyear, an American, had been trying for years to find a way in which rubber could be made hard, non-sticky, and yet elastic.
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