sierras
n. （尤指西班牙和美洲的）锯齿状山脉；层峦叠嶂的山脉（sierra 的复数）
例句
Sierras Subandinas: The samples were found in north-west Argentina.
安第斯支脉地区：这些样品是在阿根廷西北部发现的。
A snap of a Golden Aspen grove and picturesque mountains in the Eastern Sierras.
照片中金灿灿的白杨树林、风景如画的山脉摄于寒拉斯的东部。
The Sierras, straddling California and Nevada, received more than 3 feet of snow in the last few days.
横跨加利福尼亚和内华达的寒拉斯最后的几天的积雪厚度会超过3英尺。
