名词
中文翻译：船锚
同义词：
['ship anchor', 'boat hook']
例句：
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1.The sailors had to tie the boat chock before they could start their journey.
水手们必须在开始他们的旅程之前系好船锚。
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2. The captain decided to leave the boat chock in place until the weather improved.
船长决定将船锚留在原位，直到天气好转。
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3. The boat chock was a crucial part of the ship's safety system.
船锚是船只安全系统的关键部分。