Sierra
[ [si'erə] ]
成人 Adult Edu
n. 呈齿状起伏的山脉
✅ 同义词
📖 牛津释义
sierra
n
long range of mountains with steep slopes and a rugged outline (esp in Spain and Spanish America) 锯齿山脊（尤指在西班牙及西班牙语系的美洲国家的）.
🗣️ 情景例句
I hope it isn't important.
希望不是什么重要事。
Who minds his own business has no time to mind other folks.
为人只顾自己事，就无时间关心人。
Uncle Wang was waiting for them outside the factory gate.
王大叔在工厂大门外等他们。