名词
中文翻译：平板式船首
同义词：
['flat bottom', 'flat-bottomed']
例句：
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1.The new boat has a flat plate keel that allows it to move quickly through the water.
新船有一个平底船首，这使得它能够快速地在水中移动。
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2. The flat plate keel of the ship made it easy to navigate the waves.
船的平底船首使得航行在波浪中变得容易。
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3.The flat plate keel was designed to reduce drag and increase speed.
平底船首的设计是为了减少阻力并提高速度。