Observation is the best teacher.

同义词释义

1)Observation is the best teacher.,观察是最好的老师。2)Observation,观察3)watch,观察4)observe,观察5)The Observation,《观察》6)observation,《观察》7)overview,观察8)espial,观察9)view,观察10)eye glass,glass eye,inspection window,observation window,viewing window,观察窗，观察镜