stone n.【U】石料n.【C】石头;宝石;(水果的)硬核n.英石(重量单位;合14磅)vt.向...扔石头;去掉(水果的)核
详细释义
名词 millstone:
(figurative) something that hinders or handicaps
any load that is difficult to carry
one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain
双语例句
We suggest sharpening on a wet stone because it cleans the pores of the sharpener dissipates frictional heat and facilitates smooth sharpening action. 我们建议使用一块弄湿了的磨石,因为研磨液体能帮助清洁磨具上的孔,能散去摩擦产生的热量,还能使磨刀的动作更加顺滑。