内错角: alternate interior angle外错角: alternate external angles同旁内角: interior angles on the same side of the transversal 或 Interior angles on the same side 或 The same side interior angles同旁外角: exterior angles on the same side of the transversal 或 exterior angles on the same side 或 The same side exterior angles同位角: corresponding angles 或 exterior-interior angles
内错角:interior alternate angles 外错角:alternate exterior angle 同位角:exterior interior angles 同旁内角:interior angles on the same side of the transversal 同旁外角:interior angles on the same side of the transversal