| 单词 | small arm | 
| 释义 | small arm in American Englishnoun (Usually, small arms)  a firearm designed to be held in one or both hands while being fired: in the U.S. the term is applied to weapons of a caliber of up to one in. (2.5 cm) Derived formssmall-armed  adjective Word origin[1680–90] Examples of 'small arm' in a sentence | 
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