名词
中文翻译：关节
同义词：
['join', 'connection', 'junction']
例句：
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1. The joint between the two pieces of wood is loose.
两块木头之间的连接处松动了。
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2. The team needs to work together more effectively.
这个团队需要更有效地合作。
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3. The scientist used a joint to connect the two parts of the machine.
科学家用一个接头将机器的两个部分连接起来。