sierra

1. N-COUNT/N-IN-NAMES A sierra is a range of mountains with jagged peaks. 层峦叠嶂的山脉[美国英语]

...the remote sierras of the south. ...南方遥远的层峦叠嶂的大山。

...a bustling commercial centre in the Sierra Madre. ...一个位于马德岭群山中的热闹的商业中心。