名词
中文翻译：手救者
同义词：
['hand-saver', 'hand-saver']
例句：
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1. The hand saver is a device that helps people with limited mobility to use their hands more freely.
手救器是一种帮助行动不便的人更自由地使用手的设备。
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2. The hand saver has saved many people from falling down stairs.
手救器挽救了许多从楼梯上摔下来的人。
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3. The hand saver was invented by a man who wanted to help people with disabilities.
手救器是由一位想要帮助残疾人的人发明的。