The third is how to enrich color species of colorful cocoon silk.

第三是彩色茧色彩种类如何丰富的问题。

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This was a pictogram of two reels of silk threads tied together ( ), meaning cocoon silk.

丝（ ）像两卷捆在一起的丝线，指的当然是蚕丝。

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The utilization of colour-blending theory can work out all kinds of cocoon silk of colour spectrum.

利用色彩调和理论可以生产出更多色相的彩色茧丝。

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The silk was engineered by Tufts University, near Boston, from a silkworm cocoon that had been boiled to create a silk solution that can be deposited as a thin film.

ECONOMIST: Bioelectronics