柯林斯词典sierra /sɪˈɛərə/ (sierras) 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。 返回 sierra剑桥词典a range of steep mountains , especially in North and South America and Spain （尤指南北美洲和西班牙的）锯齿状山岭 返回 sierra