英语词汇“(on the) back of an envelope”的释义、用法及例句-英汉例句词典-知否

词汇	(on the) back of an envelope
例句	Idiom We added up our savings on the back of an envelope. back-of-the-envelope calculations
随便看	respectful respectfully respecting respective respectively respects respiration respirator respiratory respire respired respires respiring respite resplendent resplendently respond responded respondent responding responds response response time responsibilities responsibility

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