名词中文翻译1
中文翻译：Unknown
同义词：
['dorsal spine', 'dorsal ribs', 'dorsal vertebrae']
例句：
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1. The ship's dorsal keel is the main support for its stability.
船的主龙骨是其稳定性的主要支撑。
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2. The dorsal keel of the ship is visible from the deck.
从甲板上可以看到船的主龙骨。
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3.The dorsal keel of the ship is designed to withstand the weight of the cargo.
船的主龙骨设计来承受货物的重量。