8 Although sun rays are not hot themselves, they warm up the object they touch in their way.
8 Although sun rays are not hot themselves, they warm up the object they touch in their way.
8虽然太阳光自身不热，但是它照射到某一物体时，却可以使所照之物变热升温。
8 Although sun rays are not hot themselves, they warm up the object they touch in their way.
8虽然太阳光自身不热，但是它照射到某一物体时，却可以使所照之物变热升温。