| 单词 | upstream |
| 释义 | upstream adv, adj in the directionfrom which a river, etc flows; against the current 向上游（的）; 逆流（的） row, swim, walk upstream 往上游划、 游、 行走 Factories upstream (from us) are polluting the water. 在（我们）上游的工厂污染了河水. Cf 参看 downstream. |
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