动词
中文翻译：排水
同义词：
['draw', 'drain', 'unblock']
例句：
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1. The river is so deep that it can't be drained by human efforts alone.
这条河太深了，人类无法仅凭努力将其排干。
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2. The drain in the kitchen needs to be unblocked.
厨房的排水管需要疏通。
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3. The rainwater was draining slowly from the roof.
雨水从屋顶慢慢流下来。