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
They talk about things like family, work, school or sports.
他们常常谈论家庭，工作，学校或运动。
Every brave man is a man of his word.
勇敢的人都是信守诺言的人。
Which books did you buy?
您买的是两本什么书？