After testing hundreds of materials, they baked a piece of coiled cotton thread until it was all carbon.
在测试了数以百计的材料之后，他们把一块缠在一起的棉线烘烤到碳化状态。
The old lady has spun yards of cloth from cotton thread.
老太太已用棉线织出了好几码布了。
I need a long piece of cotton thread.
我需要一根长长的棉线。
Material:Galvanized steel strip and cotton thread.
材质：低碳镀锌钢带及棉线。
Then we got a needle and cotton thread and sewed up the hole.
然后我们拿到一根针和棉线把洞缝合了。
It was built in 1784 by Samuel Greg, a merchant, who found profit in supplying cotton thread to Lancashire's weavers.
1784年，一个叫萨缪尔·格雷格的商人将其建成，这个人通过给兰开夏郡的纺织工人提供棉线获得利润。
Others earned that honor some 30 years before, but in 1880 Edison devised the first practical, long-lasting bulb, using a carbonized cotton-thread filament.
有人在大约30年前就获得了那项荣誉，但1880年，爱迪生利用一根碳化的棉线细丝发明了第一个实用的、维持很长时间的灯泡。
Others earned that honor some 30 years before, but in 1880 Edison devised the first practical, long-lasting bulb, using a carbonized cotton-thread filament.
有人在大约30年前就获得了那项荣誉，但1880年，爱迪生利用一根碳化的棉线细丝发明了第一个实用的、维持很长时间的灯泡。
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