flushed channel 中文意思是什麼
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Tolo harbour is largely landlocked, with a narrow channel to the open sea, making it difficult for pollutants entering the harbour to be flushed out by tidal action
吐露港因被陸地包圍，只有一狹窄的水道出海，潮汐難以沖刷凈化灣內聚積的污染物。
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