impurity [ɪmˈpjʊərəti]以下由轻松背单词网站提供
单词级别第8级基本释义n.不洁,不纯,杂质英英释义when a substance is mixed with another substance and makes it dirty or lower in quality参考例句The oxygen reacts vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。The more general impurity acid corrosion faster. 一般来说杂质越多酸蚀速度越快。 推荐阅读 |