a thing of a type that is larger than normal, in particular 大于正常尺寸之物,尤指 ■a wine bottle of twice the standard size, normally 112 litres (比普通酒瓶大一倍的)大酒瓶(通常容量为1.5升) ■[often as modifier](trademark in the US)a gun designed to fire cartridges that are more powerful than its calibre would suggest 〈美国商标〉大威力子弹枪
语源
late 18th cent.: from Latin, neuter (used as a noun) of magnus 'great'