Browning machine gun

browning-machine-gun的词性：
n.（名词）

1. A .30 or .50 caliber automatic belt-fed, air-cooled or water-cooled machine gun capable of firing ammunition at a rate of more than 500 rounds per minute.
勃朗宁机枪：气冷式或水冷式，用子弹带装弹的自动机枪，口径为0.30或0.50英寸，射率可达一分钟500多发子弹

browning-machine-gun的词源：

2. After &B{John Moses} Browning
源自 &B{约翰·摩西} Browning