冲蚀

to erode / erosion

(of water) to dash against / to mix with water / to infuse / to rinse / to flush / to develop (a film) / to rise in the air / to clash / to collide with

thoroughfare / to go straight ahead / to rush / to clash

powerful / vigorous / pungent / towards / in view of

to nibble away at sth / to eat into / to erode