gulch
n.(名词)A small ravine, especially one cut by a torrent.冲沟,激流峡谷:狭小深谷,尤指由激流冲刷而形成
来源:Perhaps from dialectal gulch [to gush, (of land) to sink in] 可能源自 方言 gulch [涌出,(土地)陷落入] from Middle English gulchen [to drink greedily, to spew] 源自 中古英语 gulchen [贪婪地,喷出]