动词短语
中文翻译：关键部分被剪断
同义词：
['cut off', 'chop off', 'sever']
例句：
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1.The car's engine key was cut off in the accident.
在事故中，汽车的引擎钥匙被切断了。
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2. He chopped off his finger to save himself from a dangerous situation.
他为了从危险的境地中脱身，砍掉了自己的手指。
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3. The scientist carefully cut off a small piece of tissue for testing.
科学家小心翼翼地切下一小片组织进行测试。