英语词汇an upstream怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	an upstream
释义	upstream n — 下游 n • 上游部门 n upstream — 逆水 • 向上游 adj • 向上游 adv • 逆流而上 adj • 逆流 adv an num — 一个 num an n — 一项 n
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英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

upstream n —