单词：clad silica fiber
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Jessica在北京学中文，她的中国朋友要是遇到了不知道用美语怎么说的词，就会来请教她。今天是吴琼要问的：暴露。 WQ: Jessica, 明天我要去面试，得好好打扮打扮，你帮我参谋参谋? Jessica：没
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