Each smaller thread is thinner than a human hair.
每根更小的线都比人的头发还要细。
Our hair was fried and falling out, nails broken, clothes worn to a thread, but we were alive.
我们的头发被晒伤，并在不断脱落，指甲断裂，衣服磨得破烂不堪，但我们还活着。
Edison also worked hardest to find the perfect filament, trying carbonised thread, beard-hair and very tightly rolled calling CARDS, before lighting on the ideal material, bamboo from Japan.
爱迪生曾为了找到完美的纤维，辛苦地工作着，在发现理想的材料一种日本竹纤维之前，他尝试过碳化纤维、须发和卷得非常紧的名片。
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