英语词汇ballasts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	ballasts
释义	ballast noun— 压载 n less common: 惰气 n • 道碴 n Examples: electrical ballast— 镇流器 ballast water n — 压舱水 n • 压载水 n (railway) ballast— 道碴 See also: ballast — 压舱
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ballast noun—