名词
中文翻译：关节
同义词：
['joining', 'connection', 'junction']
例句：
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1. The joints in the arm are where the muscles attach to the bones.
手臂的关节是肌肉附着到骨头的地方。
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2. The team needs to work together to achieve their goals.
团队需要共同努力实现目标。
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3. The two pieces of metal were joined together with bolts and screws.
两块金属用螺栓和螺丝连接在一起。