英语词汇“ballast”的读音、翻译、释义、用法及例句-天城网

词汇	ballast
释义	ballast \| BrE ˈbaləst, AmE ˈbæləst \| noun uncountable ① (in ship) 压舱物 yācāngwù ; (in balloon) 镇重物 zhènzhòngwù ▸ a ship in ballast 装载了压舱物的船 ② (on rail track, road) 道砟 dàozhǎ
随便看	influenza influx info infoglut infographic infomania infomercial inform informal informality informally informant informatics information information bureau information centre information content information desk information economy information exchange information office information officer information pack information processing information retrieval

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