基本解释n.口径逐渐收狭之枪同根派生 英汉例句A narrow part, such as the chokebore of a firearm. 细颈部如枪的绞筒等狭窄的部分A narrow part,such as the chokebore of a firearm. 细颈部如枪的绞筒等狭窄的部分