Unlike existing alternatives — such as ammonia or methyl chloride— CFCs were non-flammable and non-toxic — meaning they wouldn't burst into flames or cause deadly gas leaks.
与现有的替代品(如氨或氯甲烷)不同,CFC 不易燃、无毒,这意味着它们不会起火或导致致命的气体泄漏。
单词 | methyl chloride |
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原声例句
双语版 TED-Ed 演讲精选 Unlike existing alternatives — such as ammonia or methyl chloride— CFCs were non-flammable and non-toxic — meaning they wouldn't burst into flames or cause deadly gas leaks. 与现有的替代品(如氨或氯甲烷)不同,CFC 不易燃、无毒,这意味着它们不会起火或导致致命的气体泄漏。 |
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