英语词汇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	ballast
释义	ballast bæləst  ˈbæləst  N-UNCOUNT 压舱物；镇重物 Ballast is any substance that is used in ships or hot-air balloons to make them heavier and more stable. Ballast usually consists of water, sand, or iron. 压舱物；镇重物 SYN counterbalance, balance, weight, stability Trends of ballast View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years
随便看	re-examination re-examinations re examine re-examine reexamine re-examined reexamined re-examines reexamines re-examining reexamining ref. ref refectories refectory refer referable referee refereed refereeing refereeings referees reference referenced reference libraries

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