the visual property of being without chromatic color 同义词：colorlessness, colourlessness, achromatism,
例句与用法
1.
B substance function the pure product is achromaticity oil liquid . if it contained impurity then showed yellow and palm in industry B物化性质：本产品纯品为无色油状液体，工业中如果含有杂质，则呈黄棕色。
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