Sunlight: Light reaching the observer directly from the sun. To be distinguished from daylight and skylight, which include indirect light from clouds and refract the atmosphere.

 
  • 陽(yáng)光:直接從太陽(yáng)達到觀(guān)察者的光,和日光,天光有所區別:日光和天光還包括云層和大氣層漫反射產(chǎn)生的間接光。
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