It'seems to have been invented by the American astronomer David Rittenhouse in about 1785.

  • 它似乎是美国天文学家D. Rittenhouse在1785年前后发明的.

  • 网络文摘精选 2025-01-19 21:49:02

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