machine rifles中文什么意思

例句与用法

1. a second later they opened fire, the deeper boom of their pistols accompanied by the sharp tap-tap-tap of the new, compact machine rifles that were so much handier than the army's old lewins
   一秒钟后，他们开始射击，手枪低沉的砰砰声，还有轻快的手提机枪的嗒嗒声，与军队的老式利文斯枪相比更加便于手持。