And, lowering his rifle, he took aim at the captain of the gun, who, at that moment, was bearing down on the breach of his gun and rectifying and definitely fixing its pointing.
于是他放低他的卡宾枪，瞄准那个正俯身在炮膛口校正方位的炮长。
2
In 1635 the word rifle appeared in English in a patent for cutting these grooves in gun barrels.
1635年，rifle作为英语单词出现在一条专利中。这是一条在枪膛中刻凿膛线的专利。
3
Effect of rifle quality on gun fire was analyzed, measures to solve quality problems were presented from the point of technical process.