词汇	to sawdust the floor
释义	to sawdust the floor 用木屑铺地面
随便看	direction of motion direction of movement direction of national spirit direction of observation direction of operation direction of optical axis direction of orientation direction of passage direction of plane direction of plastic strain increment direction of play direction of plumb-line direction of pointing and tracking direction of polarization direction of President direction of prevailing wind direction of primary motion direction of principal axis direction of principal component direction of principal curvature direction of propagation Direction of propagation of energy direction of protecting borehole wall direction of public opinion direction of public opinions