reamer

详细解释:n. 钻孔器, 铰刀, 果汁压榨器
【化】 铰刀; 铰床
【医】 扩孔钻(牙)

英语解释：

名词 reamer:

a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit同义词：juicer, juice reamer