rifler

rifler

美 　英

• 網絡波紋銼；牙輪鉆頭；曲銼

例句

In French the word rifler meant to "scratch" and that's why the grooves inside a gun barrel are called rifling.

法語單詞rifler就曾經有“刮”（scratch）的意思，這也就解釋了為什么槍膛內的膛線被稱為rifling。