英语词汇“douglas bag”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	douglas bag
释义	doug·las bag \ˈdəgləs-\ noun Usage: usually capitalized D Etymology: after C.G. Douglas died 1963 English physiologist : an inflatable bag used to collect expired air for the determination of oxygen consumption and basal metabolic rate
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