第三纱和第一纱或第二纱由第一聚合物制成。
The third yarns and either the first yarns or the second yarns are made of a first polymer.
在测试了不同的组合后，他们选择了两种有用的材料：一种可以发光的镀银纱和一种导电的线。
After testing different combinations, they chose two materials that worked: a silver-plated yarn that can light up and a kind of thread that conducts electricity.
纱裙一直从脸罩到脚；透过它，她能看得见外面，但我们不能看到她的脸。
The veil came from her head to her feet; she could see out through it, but we could not see her face.
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