couloir
n. 套管(通道；槽；挖泥机；峡谷)
例句
用作名词(n.)
- I moved with the seasons from state to state, coast to mountains, crag to couloir.随着季节的更替，我从一个国家到另一个国家，从海滩到高山，从峭壁到峡谷。