FAQs About the word rifling

膛線

the cutting of spiral grooves on the inside of the barrel of a firearmof Rifle, The act or process of making the grooves in a rifled cannon or gun barrel., The

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隱藏,輸,忽視,放棄

rifler => 步槍手, rifleman bird => 槍鳥, rifleman => 槍手, rifled => 膛線, riflebird => 火槍鳥,