n. the grade of particle fineness to which a substance is ground
n. the act of grinding to a powder or dust
v. dance by rotating the pelvis in an erotically suggestive way, often while in contact with one's partner such that the dancers' legs are interlaced
v. reduce to small pieces or particles by pounding or abrading
n. 磨, 碾, 苦差, 摩擦声, 用功的学生
vt. 磨擦, 磨碎, 磨光, 折磨, 压榨
vi. 磨, 磨碎, 苦干