colorless

adj.

无色的；苍白的；颜色黯淡的；无特色的

1. Pyridine is a colorless chemical liquid.
   吡啶是一种无色的化学液体。
2. Hundreds of years later,a comparatively colorless glass was made in Venice.
   几百年后，威尼斯制出了一种相对无色的玻璃。

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Electrochromic organic and polymeric materials for display applications
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Diastereoselective Synthesis of Nitroaldol Derivatives