the year dotBritish EnglishBrE informal a very long time ago 很久以前 Scientists have been involved in war since the year dot. 科学家从很久以前就已卷入战争。
the year dot• The two bungalows in question, though, had been standing from the year dot.• Traditionally, scientists have been involved in war since the year dot.
→ the year dot at year(11)