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	mixed pigment stone mixed pique mixed-pitch font mixed pith mixed pixel mixed plain satin duck dedown feather pillow mixed plain satin duck down quilt mixed plain satin embroidery duck dedown feather pillow mixed plain satin embroidery goose down quilt mixed plain satin goose down quilt mixed plain satinplaited duck dedown feather cushion mixed plan mixed plant mixed planting mixed plate mixed plates mixed pneumoconiosis mixed Poisson model mixed polar mixed policies mixed policy mixed pollen mixed pollination mixed polycondensation mixed polyester

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。