/ˈwɔː.tə.ʃed/
an event or period that is important because it represents a big change in how people do or think about something
(标志重大變(biàn)化的)轉折點(diǎn)，分界線，分水嶺
The year 1969 was a watershed in her life - she changed her career and remarried.
1969年是她人生的一個轉折點(diǎn)——她改瞭(le)行，也再婚瞭(le)。
I knew that this result could be possibly a watershed moment for physicists.
我知道這一結(jié)果可能是物理學家的分水嶺(lǐng)。
