这个词是什么意思？
Large vessels propelled by power or sail used for transportation on rivers, seas, oceans, or other navigable waters. Boats are smaller vessels propelled by oars, paddles, sail, or power; they may or may not have a deck.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D012767 · MeSH 2026。
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