ka·lei·do·scope /kəˈlaɪdəˌskop/
萬花筒,千變萬化的景象
Ka·lei·do·scope n. An instrument invented by Sir David Brewster, which contains loose fragments of colored glass, etc., and reflecting surfaces so arranged that changes of position exhibit its contents in an endless variety of beautiful colors and symmetrical forms. It has been much employed in arts of design.
Shifting like the fragments of colored glass in the kaleidoscope. --G. W. Cable.
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kaleidoscope
n : an optical toy in a tube; it produces symmetrical patterns
as bits of colored glass are reflected by mirrors