单词：duralumin alclad
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-The joyous Mid-Autumn Festival was celebrated on the fifteenth day of the eighth moon, around the time of the autumn equinox（秋分）. Many referred to it simply as the Fifteenth of the Eighth Moon. This day was also considered as a harvest festi
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Electric Fish Offer Insight Into Human Central Nervous System Electric fish live mostly in fresh water in tropical rivers and are found primarily in only two parts of the world. There are two main groups, one in South America, the Gymnotiform, and th
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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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Patrick: Hey, congratulations! I just heard that you're expecting. How far along are you? Cindy: Thanks. I'm four and a half months pregnant. It feels like it! I feel huge. Patrick: You don't look it. I bet Carlos is excited. Do you know yet if it's
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