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(英文:Purple),舊稱葡萄青[1],有啲埞稱叫𰲊色粵拼au2 sik1),係人眼睇到最高頻嘅光,波長大概係 380–450 nm。再高過佢嘅光就到紫外線

睇埋

編輯
  1. Chalmers, John (1870). English and Cantonese Pocket-Dictionary 粵字典. Hong Kong: London Missionary Society's Press. p. 98.