- each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening；the straight line in which light or other electromagnetic radiation travels to a given point
- spread from or as if from a central point；radiate (light)
noun: ray, plural noun: rays
- 1. each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening a ray of sunlight came through the window 同義詞
- ▪ the straight line in which light or other electromagnetic radiation travels to a given point take a specific point and back-trace every ray of light that hits that point
- ▪ a specified form of non-luminous radiation ultraviolet rays
- ▪ North American informal sunlight considered in the context of sunbathing catch some rays on a sandy beach
- ▪ an initial or slight indication of a positive or welcome quality in a time of difficulty or trouble if only I could see some ray of hope 同義詞
- 2. any of a set of straight lines passing through one point the ray that runs from the centre of the circle to the point of tangency
- 3. a thing that is arranged radially.
- ▪ any of the individual strap-shaped florets around the edge of the flower of a daisy or related plant.
- ▪ each of the long slender bony supports in the fins of most bony fishes.
- ▪ each radial arm of a starfish.
- 1. spread from or as if from a central point delicate lines rayed out at each corner of her eyes
- ▪ radiate (light) the sun rays forth its natural light into the air