英语词汇rock duster怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

　

单词	rock duster
释义	Definition of rock duster in English: rock duster noun ˈrɒk ˌdʌstə North American Mining A machine which spreads pulverized rock around a coal mine in order to reduce the risk of coal-dust explosions. Origin 1930s; earliest use found in U.S. Patents. From rock dust + -er. Definition of rock duster in US English: rock duster nounˈrɒk ˌdʌstə North American Mining A machine which spreads pulverized rock around a coal mine in order to reduce the risk of coal-dust explosions. Origin 1930s; earliest use found in U.S. Patents. From rock dust + -er.
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英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

　

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更新时间：2024/12/27 0:33:52