Leap years are necessary to keep our calendar in alignment with the Earths revolutions around the sun.

  • 闰年是对地球绕太阳运转所需时间和公历时间之差所作的调整。

  • 互联网摘选 2025-01-19 23:28:33

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句