grindstone (n.) grindstone n.磨刀石；砂輪grinds v.磨；壓迫；碾碎；磨得吱吱響；逐漸停頓n.苦事；磨；碾grindmeter 研磨計grindle 弓鰭魚grindingtool 磨料磨具grindings 磨屑grindingly adv.虐待地；苛刻地grindingcone 磨錐grindingaids 助磨劑grinding-wheel-rack [能源科學(xué)技術(shù)]砂輪架grinding-in n. 磨郃，磨光；[機] 研磨密封grinding-hardening 磨削強化grinding-classification process [計算機科學(xué)技術(shù)]磨鑛分級grinding wheels grinding wheel bonding material 砂輪粘結(jié)材料grinding wheel arc dresser [機械工程]圓弧脩整器grinding wheel 磨輪，砂輪grinding tooth 齧齒grinding tools 磨削工具；研磨工具