名词
中文翻译：龙骨片
同义词：
['keel', 'spar', "timber例句：1. The boat's keel is made of oak wood.（这艘船的龙骨是用橡木做的。）2. The ship's keel was damaged during the storm.（在风暴中，船的龙骨受损了。）"]
例句：
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1. The boat's keel is made of oak wood.
这艘船的龙骨是用橡木做的。
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2. The ship's keel was damaged during the storm.
在风暴中，船的龙骨受损了。
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3.The keel is essential for keeping the boat stable in rough waters.
龙骨对于保持船只在恶劣天气中的稳定性至关重要。