Reamer

['riːmə(r)] or ['rimɚ]

解释:

(noun.) a drill that is used to shape or enlarge holes.

(noun.) a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit.

阿尔塔编辑--From WordNet

解释:

(n.) One who, or that which, reams; specifically, an instrument with cutting or scraping edges, used, with a twisting motion, for enlarging a round hole, as the bore of a cannon, etc.

编辑:马克斯