The natural silk rivals the best in the world.

这种天然丝可与世界上最好的媲美。

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They have now created a thread rivaling natural silk.

现在他们已经创造出了能与蜘蛛丝媲美的天然丝。

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However, myocardium cells on the regenerated and natural silk were less.

原代心肌细胞在天然和再生丝素纤维上生长得非常少。

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Yarn can be made from natural materials such as cotton, linen,silk and wool.

VOA: special.2009.11.04

In addition to natural fibers like cotton, silk and wool, there are now a wide variety of synthetics on the shelves.

NPR: Nanotech in Fashion: The Trend in New Fabrics

It's essential, in order for consumers to embrace a fabric, that it look like wool, silk or another natural material, Mr. Kriemler says.

WSJ: Polyester Is Back in Style at Alexander Wang, Talbot Runhof, Akris

To the function-based repurposing of natural-wonder materials, like silk and cashmere.

WSJ: We Can't Know What the Future Will Bring | Fashion