a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit
同义词：juicer, juice reamer
a drill that is used to shape or enlarge holes
reamer详细解释
ream.er n.（名词）Any of various tools used to shape or enlarge holes.扩孔钻：一种用于整造或扩大孔膛的工具A utensil with a conical, ridged projection, used for extracting citrus-fruit juice.果汁压榨器：一种常有圆锥突出物的器具，突出物上有脊凸，用以榨取果汁
