noun 下载 🔗分享 滑膛炮，无膛线炮。 A cannon, gun or other firearm that has an unrifled barrel. Examples : "The old musket hanging on the wall was a smoothbore, meaning it lacked the spiral grooves inside the barrel that give modern rifles better accuracy. " 挂在墙上的那把老式滑膛枪是无膛线炮，也就是说，它的枪管内壁是光滑的，没有现代步枪里那种能提高射击精度的螺旋膛线。 weapon military technology 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 滑膛，无膛线。 Having a bore with a smooth interior, ie. one that has not been rifled Examples : "The old musket on display was a smoothbore weapon, lacking the spiral grooves inside the barrel that would spin the bullet. " 展出的那把老式滑膛枪是一种滑膛武器，它的枪管内部没有膛线，因此无法使子弹旋转。 weapon military technical 与AI对话词汇游戏阅读练习
