The small fog droplets ( about 0.01 mm in diameter ) ensure that colors emerging from the fogbow will be nowhere near as vivid as occur in the larger raindrops that produce rainbows .

迷雾中微小水滴（直径仅在0.01毫米左右）使雾虹所呈现的色彩远不如较大雨滴所产生的彩虹那么鲜艳、生动。