名词
中文翻译：警棍
同义词：
['whip', 'baton例句：1. The policeman used his derringer to fend off the attackers.（警察用警棍击退了袭击者。）']
例句：
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1. The policeman used his derringer to fend off the attackers.
警察用警棍击退了袭击者。
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2.The dancer performed a routine with her derringer in hand.
舞者手持警棍表演了一个动作。
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3.The soldier carried his derringer as he walked through the camp.
士兵在营地里行走时扛着他的警棍。