什么是 lather?A foam formed by soap or detergent agitated in water, as in washing or shaving.Froth formed by profuse sweating, as on a horse.Informal A condition of anxious or heated discomposure; agitation: The students were in a lather over the proposed restrictions. To spread with or as if with lather.Informal To give a beating to; whip.To produce lather; foam.To become coated with lather.