The experiments were done most carefully again and again.

  • 这些实验被一遍又一遍潜心致志地做过.

  • 互联网摘选 2025-01-19 23:38:32

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