watershed
n. （美）流域；分水岭；集水区；转折点
adj. 标志转折点的
复数 watersheds
例句
The meeting has the potential to be a watershed event.
这次会议有可能成为一次分水岭事件。
《柯林斯英汉双解大词典》
The election of Mary Robinson in 1990 was a watershed in Irish politics.
1990年玛丽·鲁滨逊的当选是爱尔兰政治的分水岭。
The middle decades of the 19th century marked a watershed in Russia's history.
19世纪中叶标志着俄国历史的转折点。
《牛津词典》
