a long time ago

美 
英 
  • adv.很久之前
  • 网络很久以前;很久很久以前;好久以前
adv.
1.
很久之前

例句

释义:
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,
9.
A group of swan geese, in their usual formation, fly in the dark welkin to the south to which they said goodbye such a long time ago.