单词：polymer chips
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今天要讲的习惯用语都是以chips这个词为主的。Chips当然是chip这个词的多数。和许多英文单词一样，chip 也有好几种解释。 在今天我们要讲的前两个习惯用语里，chips的意思是赌博时用来代替钱
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