名词
中文翻译：Unknown
同义词：
['drift line', 'drifting level', 'current level']
例句：
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1. Theship drifted slowly towards the shore.
船慢慢地向岸边漂移。
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2. The current is at a drift level, making it easy to navigate.
水流在漂移水平，使得航行变得容易。
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3.The boat was drifting at a level that was too high for the passengers to reach.
船在漂移水平太高，乘客们无法到达。