Perchlorethane
[化] 全氯乙烷
🗣️ 情景例句
Nothing. I am in excellent health.
没什么。我身体好的很。
Don't you think it necessary to have a close study of the contract to avoid anything missing?
你不觉得应该仔细检查一下合同，以免遗漏什么吗？
Fred realized that he had discovered an interesting and enjoyable way of making money.
弗雷德认识到，他已找到了一种既有趣又愉快的挣钱方法。