superimpose

1.~ sth (on/onto sth)使（图像甲）叠映在（图像乙）上to put one image on top of another so that the two can be seen combined

2.~ sth (on/onto sth)使重叠；使叠加；使附加于to add some of the qualities of one system or pattern to another one in order to produce sth that combines the qualities of both

1.(把...)加在...的上面;附加,添加 (on; upon)

1.to put one image on top of another so that both can be seen

2.to add something such as a feature or idea from one system or situation to another