A deep ditch or channel cut in the earth by running water after a prolonged downpour.
A deep ditch or channel cut in the earth by running water after a prolonged downpour.
隘谷，冲沟长期的倾盆大雨冲击地面之后形成深的沟壑或沟渠
A deep ditch or channel cut in the earth by running water after a prolonged downpour.
隘谷，冲沟长期的倾盆大雨冲击地面之后形成深的沟壑或沟渠