名词
中文翻译：腰带刀
同义词：
['belt knife', 'dagger', 'sheath knife']
例句：
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1. He wore a belt knife at his waist.
他腰间挂着一把腰带刀。
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2. The dagger was made of silver and had an intricate design.
这把匕首是银制的，设计复杂。
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3. She carried a sheath knife in her pocket for protection.
她口袋里带着一把刀以作自卫。