单词：reactive gas
reactive gas的用法和样例：
例句
- Oxygen is a highly reactive gas, combining with many elements in a fierce explosive union we call fire or burning.氧气是高活性气体，能在我们称之为火或燃烧的激烈爆炸中与许多元素化合。
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Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
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