grind stone
英漢例句
- We suggest sharpening on a wet stone because it cleans the pores of the sharpener dissipates frictional heat and facilitates smooth sharpening action.
我們建議使用一塊弄濕了的磨石，因為研磨液體能幫助清潔磨具上的孔，能散去摩擦產生的熱量，還能使磨刀的動作更加順滑。 - In this cavern are three massive stone wheels, each with a huge pole through its centre as an axle.
洞里有三個巨大的砂輪，每個砂輪的中心穿過一個巨大的桿作為輪的軸心。