Early in the morning, Xiaohua walked into the garden and smelled the flowers in the garden, which is a _ _ _ _ phenomenon in physics; See some dew on the grass or leaves through the dew.

(1) In the garden, floral molecules move around, and the whole garden is full of floral molecules. Therefore, when you enter the garden, people will feel the flowers overflowing. All these phenomena show that molecules are constantly moving and spreading.

(2) The round and transparent dew is equivalent to a convex lens, and the vein of vegetation is very close to the lens, less than twice the focal length. The convex lens turned into a magnifying glass, forming an upright and magnified virtual image.

So the answer is: diffusion; Highlight.