- 释义：
- n. 色素，颜料
- 例句：
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Similarly, any pigment nevus that is chronically irritated should be excised.
同样, 凡是经常受慢性刺激的各种色素痣切勿予以切除.
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Bacteria or bile pigment may serve as a nidus for crystal formation.
细菌或胆色素可作为结晶形成的一个核心.
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When highly purified, the red - absorbing form of the pigment is blue - green.
如果高度提纯, 这种色素的红光吸收型是蓝绿色的.
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