英语词汇“upstream”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	upstream
释义	Word Frequency upstream (ˈʌpˈstriːm) adverb, adjective 1. in or towards the higher part of a stream; against the current 2. (in the oil industry) of or for any of the stages prior to oil production, such as exploration or research Compare downstream (sense 2)
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