achromatistous缺: be short of; lack色素: pigment的: 4次方是 The fourth power of 2 i ...色素的: pigmental; pigmentary; pigmentary产色素的: chromogenic下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:缺色素的,即可在微信中查询翻译