名词
中文翻译：自卫
同义词：
['protection', 'self-preservation']
例句：
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1. She decided to learn self-defense classes to stay safe.
她决定学习自卫课程以保持安全。
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2. The police are conducting a self-defense training program for the community.
警方正在为社区开展自卫训练项目。
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3. He practiced self-defense techniques in his spare time.
他在业余时间练习自卫技巧。