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Typically, the exoskeleton of most crustaceans has a blue-green to grayish color and sometimes they appear a brown or olive green, with just a hint of red;
典型的甲壳类动物都会有一个蓝绿色到浅灰色过渡的外骨骼，有时会呈现出棕色或者橄榄绿色，有一点点红色在上面。
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