n.转折点，分界线，分水岭(标志着重大变化的事件或时期),分水线,分水岭,分水界,(英国)儿童不宜节目可在电视上播放的起始时间
watershed的复数

原形：watershed复数：watersheds

The watershed between the two political parties is their stance on climate change.
两个政党之间的分水岭在于他们对气候变化的态度。
After the heavy rainfall, the river formed a new watershed with the neighboring valley.
大雨过后，河流与邻近山谷形成了新的分水岭。
The decision to build a dam in this watershed area sparked controversy among local residents.
在这个水源区建设大坝的决定在本地居民中引发了争议。
The government has designated this region as a protected watershed to preserve its natural resources.
政府已将此区域指定为受保护的水源地，以保护自然资源。
The watershed moment came when the team won the championship after decades of hard work.
当球队经过几十年的努力终于赢得冠军时，这是一个转折点。
The researchers studied the effects of pollution on the local watershed's ecosystem.
研究人员研究了污染对当地水源地生态系统的影响。
The city's water supply depends on the health of the surrounding watershed.
城市的供水依赖于周边水源地的健康状况。
They organized a clean-up campaign to restore the damaged watershed.
他们组织了一次清理活动，以修复受损的水源地。
The proposed development would have devastating effects on the fragile watershed.
这项提议的开发项目会对脆弱的水源地造成毁灭性影响。
The ecologists mapped out the complex network of streams and rivers that define the watershed.
生态学家绘制了定义这个水源区的复杂溪流和河流网络。