单词	Roman numeral
释义	Roman numeral noun : a numeral in a system of notation that is based on the ancient Roman system see Table of Numbers Example Sentences In Roman numerals “X” is equal to the number 10. Word History First Known Use circa 1638, in the meaning defined above Kids Definition Roman numeral noun : a numeral in a system of figures based on the ancient Roman system In Roman numerals X equals 10.
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