名词
中文翻译：皇冠关节
同义词：
['crown junction', 'crown articulation例句：1. The crown jointof the tooth is where the tooth meetsthe gum.（牙齿的冠部关节是牙齿与牙龈的接触点。）']
例句：
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1. The crown jointof the tooth is where the tooth meetsthe gum.
牙齿的冠部关节是牙齿与牙龈的接触点。
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2. The crownjoint of the bone is where the bonemeets the cartilage.
骨头的冠部关节是骨头与软骨的接触点。
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3. The crown joint of the spine iswhere the spine meets the vertebrae.
脊柱的冠部关节是脊柱与椎骨的接触点。