noun🔗Share滑膛炮，无膛线炮。 A cannon, gun or other firearm that has an unrifled barrel."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。weaponmilitarytechnologyChat with AIVocabulary GamePractice Reading
adjective🔗Share滑膛，无膛线。 Having a bore with a smooth interior, ie. one that has not been rifled"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。weaponmilitarytechnicalChat with AIVocabulary GamePractice Reading
