grindv.磨;压迫;碾碎;磨得吱吱响;逐渐停顿n.苦事;磨;碾
grind gauge磨削计
grind wheat磨麦
grind floor底层
grind first粗磨
grinding out磨去,磨孔,磨内圆
grinding ore磨矿
grinding art磨削工艺
grind coarse粗磨
grindingcone磨锥
grinding tea擂茶