英语词汇ballast mattress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	ballast mattress
释义	ballast mattress 简明释义沉碴垫层网络释义 1 ?沉碴垫层 Ballast Mattress(沉碴垫层), 此释义来源于网络辞典。
随便看	octadecylisocyanate octadecyl mercaptan octadecyl methacrylate octadecyl palmitate octadecyl octadecylselyl octadecyl silane octadecylsilane octadecylsilane chemically bonded silica octadecylsilyl octadecyl sulfonyl chloride octadecyltrichlorosilane octadecyl trimethyl ammonium bromide octadecyl trimethyl ammonium chloride octadecyltrimethylammonium pentachlorophenate octadecyl vinyl ether octadecyne octadecynoic acid octadentate octadic octadical octadienal octadiene octadienoic acid octadione

英汉双解词典包含3185865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。