透明的东西，比如玻璃或水，它们里面就没有色素，所以称它们为“无色”。
Transparent things, such as glass or water, have no pigment in them, so they are called "colorless."
钾钙板锆石无色透明。玻璃光泽。
Wadeite is colorless and transparent as well as on lustre of glass.
玻璃纸：有光泽，柔软，无色透明的纸，供包装和装饰用。用粘胶法制造。
Cellophane: a soft, high gloss, colourless, transparent paper, used mainly for packing and decorating. It is made by means of viscose process.
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