grindstone
US /ˈɡraɪnd.stoʊn/
UK /ˈɡraɪnd.stəʊn/
名詞
磨刀石, 砂輪
a revolving stone disk used for grinding, sharpening, or polishing
範例:
•
He sharpened his axe on the old grindstone.
他在舊磨刀石上磨利了他的斧頭。
•
The sculptor used a small grindstone to refine the edges of his work.
雕塑家使用小磨刀石來修飾作品的邊緣。