英语词汇upstream portion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	upstream portion
释义	upstream n — 下游 n • 上游部门 n upstream — 逆水 • 逆流而上 adj • 向上游 adj • 逆流 adv • 向上游 adv portion n — 部分 n • 部份 n portion — 一部分 • 股 • 份额 portion v — 分派 v
随便看	agency agree agency agreement agency and commission agency and consultant agency appointment agency approach agency approvals agency attendance agency award agency Bank agency board agency briefing agency broker agency business agency buyers agency capital agency certificate agency channel agency choice agency client agency collaboration agency colleague agency commission agency compliance agency consideration

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 —