watershed

名词 watershed:

1. a ridge of land that separates two adjacent river systems
   同义词：water parting, divide
2. an event marking a unique or important historical change of course or one on which important developments depend
   同义词：landmark, turning point

1. Leaving her first job was a watershed in her life.
   辞去她的第一份工作是她生活中的一个转折点。
2. Her visit to India proves to be a watershed in her life.
   她的印度之行成了她一生的转折点。
3. Her visit to India proved to be a watershed in her life.
   她的印度之行成了她一生的转折点。

wa.ter.shed

n.（名词）
A ridge of high land dividing two areas that are drained by different river systems.Also called water parting
分水岭：将两个不同水系流经地区分开的脊状高地也作 water parting
The region draining into a river, river system, or other body of water.
流域：将水排入某河流、水系或其它水体的地域
A critical point that marks a division or a change of course; a turning point:
分水岭，转折点：标志着分界或过程改变的重要关头；转折点：
例句：
.a watershed in modern American history, a time that . . . forever changed American social attitudes.(Robert Reinhold)
.现代美国历史的转折点，一个…永远改变了美国社会观念的时刻.(罗伯特·赖恩豪德)

来源：
Probably translation of German Wasserscheide
可能为 德语 Wasserscheide的翻译
Wasser [water]
Wasser [水]
Scheide [divide, parting]
Scheide [分开，分离]