英语词汇“(on the) back of an envelope”的意思、释义、用法及双语翻译-时代网

词汇	(on the) back of an envelope
释义	Idiom We added up our savings on the back of an envelope. back-of-the-envelope calculations
随便看	methodistss methodological methodologically methodologically methodologies methodologist methodologists methodology methods methought methought meths Methuselah methyl-alcohol methyl alcohol methylalcohol methylated-spirits methylated spirits methylatedspirits meticulosities meticulosity meticulous meticulously meticulousness meticulousnesses 导引导弹导弹艇导扬导报导播导数导板导标导流导游导游娘导源导演导火索导火线导热导爆索导电导盲镜导管导线导致导航导航台

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