名词
中文翻译：上游侧
同义词：
['上游面，上游边例句：1. The river flowsupstream', 'carrying sediment downstream.（这条河流流往上游，携带着沉积物流向下游。）']
例句：
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1. The river flowsupstream, carrying sediment downstream.
这条河流流往上游，携带着沉积物流向下游。
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2. The engineer studied the upstream sideof the dam to determine its stability.
工程师研究大坝的上游侧以确定其稳定性。
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3. The team worked on the upstream side of the project to ensure progress.
团队在项目上游侧工作以确保进展。