例句與造句

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
   一秒鐘后，他們開始射擊，手槍低沉的砰砰聲，還有輕快的手提機槍的嗒嗒聲，與軍隊的老式利文斯槍相比更加便于手持。
2. It's difficult to find machine rifles in a sentence. 用machine rifles造句挺難的