英语词汇top ballast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	top ballast
释义	top ballast 简明释义面碴；上层道碴网络释义 1 ?面碴面碴短语 1 Top-Ballast 顶层道碴 2 top of ballast 道床顶面
随便看	Common Heron'sbill Herb common herons bill herb common herring common high brass common hinged window Common Hogfennel Root commonhold commonhold common hop common horehound common hornbeam common hornblende common horsetail common host antigen common houndstongue root common house Common house martin common house mosquito common house common hub common hyacinth common hyacinth common hydrant common hypogastric vein common hyssop

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。