yǔ shuǐ / chōng shuā / hòu / shān pō / shàng / liú xià / le / yí dào / shēn shēn / de / hè gōu雨水冲刷后,山坡上留下了一道深深的壑沟。After the rain washed over, a deep gully was left on the hillside.