conical flow

例句：

1. 1. The water in the river is flowing conically towards the sea.
   河水以圆锥形流向大海。
2. 2. The oil flows conically from the well.
   油从井中以圆锥形流出。
3. 3.The rainwater flows conically down the hillside.
   雨水以圆锥形沿着山坡流下。