英语词汇“a fifth wheel”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	a fifth wheel
释义	a fifth wheel 多余的人；多余的东西
随便看	olefeeder olefiant olefiant gas Olefiant gas poisoning oleficin olefin olefin acid olefin alcohol olefin aldehyde olefin, alkene olefin alkylation olefination olefinations olefin-based olefincarbon monoxide copolymer olefin carbon monoxide copolymer olefin-carbon monoxide copolymer olefin carbonylation olefin catalytic cracking process olefin centent olefin complex olefin compound olefin compound decomposition reaction olefin content olefin conversion