词汇	the laws of refraction
释义	the laws of refraction 折射定律
随便看	orientation growth orientation guidance orientation half-angle orientation half-width orientation histogram orientation histogram vector orientation hysteresis orientation idcnification orientation identification orientation illusion orientation image orientation image microscopy orientation image of point orientation in ability cultivation orientation in aromatic substitution orientation-independent orientation index orientationin employment orientation information orientation information gradient orientation information measure Orientation information measurement orientation in market orientation in running a school orientation in running school