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1. This chemical is used in the production of plastics and other materials.
这种化学物质用于生产塑料和其他材料。
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2. The acidic nature of the compound makes it difficult to handle.
这种化合物的酸性使其难以处理。
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3. The chemistry lab experiment involved mixing this acid with water.
化学实验室的实验是将这种酸与水混合。