英语词汇“ballast”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	ballast
释义	noun \| verb ballastballast1 /ˈbæləst/ noun [uncountable] Etymology ETYMOLOGYballast Origin: 1500-1600 Probably from Low German 1heavy material that is carried by a ship to make it more steady in the water2material such as sand that is carried in a balloon and can be thrown out to make it rise3broken stones that are used as a surface under a road, railroad lines, etc. noun \| verb ballastballast2 verb [transitive] to fill or supply something with ballast
随便看	demoralize demoralized demoralizing Demosthenes demote demotic demotion demotivate demotivating Dempsey, Jack demur demure demurely demureness demystification demystify den Denali denationalization denationalize denaturalization denaturalize dendrite Deng Xiaoping denial

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