Such a density would have been enough to create black holes a mere 10-35 meter across (a dimension known as the Planck length) with a mass of 10-8 kilogram (the Planck mass).是什么意思_Such a density would have been enough to create black holes a mere 10-35 meter across (a dimension known as the Planck length) with a mass of 10-8 kilogram (the Planck mass).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句