Silk is a natural fiber fabric.

丝绸是一种天然布料。

youdao

No problem. Silk is a natural fiber fabric.

没问题。丝绸是一种天然布料。

youdao

Cotton is a natural fiber, but rayon and nylon are synthetic.

棉花是天然纤维，但人造丝和尼龙却是人造的。

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They did this over and over to make sure the external carbon fiber plate allowed a natural motion with the foot.

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And understand that even a single wearing (or probably a lot of try-ons with your new sweater) means your natural-fiber clothes (wool, silk, cotton, cashmere, fur including blends) are no longer sterile when it comes to insects.

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