It is possible that tubes made from animal bones were used for spraying because hollow bones, some stained with pigment, have been found nearby.

有可能是用动物骨头制成的管子来喷洒，因为在附近发现了空心骨头，有些骨头上沾有颜料。

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Catalysts for chemical industry and other industries, fertilizer, animal feed, pigment, cosmetics, grinding flour, all kinds of washing chemicals and other particles.

化学工业和其它工业的催化剂、化肥、饲料、颜料、化妆品，磨面粉各种洗涤化学药品等颗粒。

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Using pure black rice pigment as material, the author has made an animal nutritional test.

以纯化的黑米色素为原料，进行动物营养实验。

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If the environment being spread through is an animal embryo and the reagents are hormones that trigger the differentiation of the body's pigment-producing cells, the upshot is a distinct pattern of pigmentation.

ECONOMIST: Mathematical ecology