Wallace Hume Carothers is the inventor of nylon and neoprene.
Wallace Hume Carothers is the inventor of nylon and neoprene.
Wallace Hume Carothers is the inventor of nylon and neoprene. A: 正确 B: 错误
Wallace Hume Carothers is the inventor of nylon and neoprene. A: 正确 B: 错误
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