《自然》杂志报道，在测试中，剃须刀片造成的刮痕在不到一分钟只能就修复了。
In tests, deep scratches made with a razor blade took less than a minute to close up, the journal Nature reports.
《自然》杂志报道，在测试中，剃须刀片造成的刮痕在不到一分钟只能就修复了。
In tests, deep scratches made with a razor blade took less than a minute to close up, the journal Nature reports.
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