形容词
中文翻译：上游的
同义词：
['upstream', 'upstreaming例句：1. The fish swim upstream to spawn.（鱼游向上游产卵。）2. The river flows upstream towards the sea.（河流流向上游通向大海。）']
例句：
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1. The fish swim upstream to spawn.
鱼游向上游产卵。
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2. The river flows upstream towards the sea.
河流流向上游通向大海。
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3.The company is moving upstream in its industry.
该公司在其行业中正在向上游走。