What is the metaphor of watershed?

"Watershed" is a metaphor for the main boundaries between different things, and is often used to refer to the boundaries between different things or between different stages of the same thing. The specific interpretation is as follows:

Pronunciation: fēn shuǐ lǐng

A mountain that separates the two waters. Most of them are ridges or high-lying areas, and the high-lying watershed ridges or sections between two basins or watersheds are also called "watershed boundaries".

Part of speech: usually used as a noun in a sentence, such as subject or object.

Example: This is the mountain peak bordering on Baiyun, and it is also the watershed of Mei (county) and Pu (Tai Po) counties.

Synonym of watershed: dividing line

Pronunciation: fēn Jie Xiàn?

Express meaning: a line that divides boundaries, boundaries, sports fields, etc.

Part of speech: the dividing line is used as a noun as the subject or object in a sentence.

Example: The dividing line between the Yellow Sea and the Bohai Sea is clearly visible, forming the natural landscape of "one mountain bears two seas" in Laotieshan.