结果发现，几乎所有的有毒植物都存在彩色昆虫，但只有一半的无毒植物有彩色昆虫；而黑色、褐色和灰色的昆虫则没有这种偏好性，在采食时没有选择。
Turns out, they found colorful bugs on almost all the toxic plants but less than half of the harmless plants. And black, brown and gray bugs didn't have a preference-they ate indiscriminately.
安德烈娅有着中褐色的头发、灰色的眼睛和非常苍白的皮肤。
Andrea has medium brown hair, grey eyes, and very pale skin.
他画画几乎只用包含灰色和土褐色的色调。
He paints from a palette consisting almost exclusively of grey and mud brown.
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