watershed

（美）流域；分水岭；集水区；转折点英释中释nan event or time when important changes happen in history or in your life

标志转折点的中释adj

1 watershed management,流域管理

2 watershed area,分水岭地区；分水界域；集水面积

1 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。