基本解释adj.無色的;蒼白的同根派生 colorlessness相关词英汉例句用作形容詞 (adj.)Pyridine is a colorless chemical liquid.吡啶是一種無色的化學液躰。Hundreds of years later,a comparatively colorless glass was made in Venice.幾百年後,威尼斯制出了一種相對無色的玻璃。colorlessness更多例句