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

单词	water ballast
释义	water ballast noun : water in specially constructed compartments (as of a ship or balloon) to serve as ballast
随便看	root out root pressure root-prune root pulper root rake root rot root-run roots roots root sheath rootstalk rootstock rootstock root sucker root symbiosis root tip root tubercle root vole root weevil rootworm rootworm rooty roove rooves rooyebok

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