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
My mother has a touch of the flu.
我妈得流感了。
Curiosity killed the cat.
好奇心，惹祸根。
Yes, but one thing is most unlikely to change.
对，但有一件事是最不可能改变的。