toxic gas和poisonous gas 有何区别?
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toxic gas和poisonous gas 有何区别?
toxic gas和poisonous gas 有何区别?
toxic gas和poisonous gas 有何区别?
区别大了去了
toxic gas 毒气
poisonous gas 有毒的气体
toxic gas和poisonous gas 有何区别?
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toxic
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Clothing from victims exposed to the gas will continue to release toxic vapors for 30 minutes这句话中的clothing
gas
gas