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入场词>我爱文学手抄报肛门潮湿是什么原因>矗立造句aluminum。
右转弯手势Aluminium is a silver-colored, low-density metal. It is the most abundant metal in the Earth's crust (8%) and the third most abundant element after oxygen and silicon. It is ductile, malleable and easily machined. Aluminium has excellent corrosion resistance and is soft and light in weight. It is widely ud in the construction, transportation, packaging, electrical and electronics industries.
对联>洁白无瑕