动词
中文翻译：加入
同义词：
['link', 'unite', 'amalgamate']
例句：
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1. She joined the club last month.
她上个月加入了俱乐部。
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2. The two countries have been trying to join forces against a common enemy.
这两个国家一直在努力联合起来对抗共同的敌人。
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3. After years of separation, they finally joined hands and worked together.
经过多年的分离，他们最终携手合作。