单个的浮游植物是渺小的，但是当它们爆发成数十亿规模的水华后，高浓度的叶绿素以及其他采光颜料改变了表面反射光线的方式。
Individual phytoplankton are tiny, but when they bloom by the billions, the high concentrations of chlorophyll and other light-catching pigments change the way the surface reflects light.
叶绿素、胡萝卜素、视紫红质和黑素是用动植物制成的用作特殊用途的颜料。
Chlorophyll, carotene, rhodopsin, and melanin are pigments produced by plants and animals for specialized purposes.
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