1.
ADV
逆流地；往上游；在上游 Something that is moving upstream is moving towards the source of a river, from a point further down the river. Something that is upstream is towards the source of a river.
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The water rose high enough for them to continue upstream.
水位涨得够高了，他们可以继续向上游航行。
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...the river police, whose headquarters are just upstream of the Isle St Louis...
总部设在圣路易岛上游的水警
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Cities upstream use the river to get rid of sewage...
上游的城市将污水排放到河里。
- Upstream is also an adjective.
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Steps lead down to the subway from the upstream side.
上游那边有台阶通向地铁。
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- Adjective
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1. in the direction against a stream's current
- antonym： downstream
- Adverb
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1. toward the source or against the current
- synonym： upriver
- antonym： downriver，downstream
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2. against the current;
- "he swam upstream"
体育
- 1.逆水
法律
- 1.上游
计算机
<名>
- 1.上行数据流
- 1. A water vole swam vigorously upstream.
- 一只水鼠奋力向上游游去。
来自《简明英汉词典》
- 2. The explorers paddled their canoe cautiously upstream.
- 探险者们谨慎地把独木舟向上游划去。
来自《现代汉英综合大词典》
- 3. The ice blocks up the river, making the upstream water unable to flow.
- 冰把河道堵住了，上游的水流不下来。
来自《简明英汉词典》
- 4. We swam upstream against the current.
- 我们逆流向上游游去。
来自《简明英汉词典》
