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在表面涂上薄薄的一層膠水.Apply a thin coating of glue to the surface.他們發(fā)現(xiàn)了如何在表面薄薄的一層上形成影像。They discovered how to form the image in a thin layer on the surface.在表面上發(fā)生吸附作用的固體叫吸附劑.The solid on whose surface adsorption occurs is called ...