单词	rebore
释义	rebore verb re·​bore (ˌ)rē-ˈbȯr  rebored; reboring; rebores transitive verb : to bore an existing hole a second or subsequent time in order to widen it or to alter or improve its inner surfaces After three years in the desert dust, I have just had to rebore the engine (another $1,400). Robert Lacville To convert the 3-inch Ordnance Rifle to a breechloader, manufacturers sawed off the breech and screwed in a new steel breech … . The steel breech was rebored to 3.18 inches to attain the desired projectile size. Mitch Meador Word History First Known Use circa 1792, in the meaning defined above
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