久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

阿卡英語 / 查找:Babylonians” [共找到1條結果]
  • Babylonians造句

    Their numerical system, derived from the Babylonians, was based on multiples of the number six.他們的數(shù)制源自古巴比倫人,以數(shù)字6的倍數(shù)為基數(shù)。The sexagesimal scale, or number system based on 60, was used by ancient Babylonians.古巴比倫人用六十進位制, 即以6...