Seif dune
赛夫沙丘，蛇形砂丘
🧩 词语组成解析
赛夫沙丘(顺着风向的长沙丘)
dune
[dju:n]
n. （由风吹积成的）沙丘;
🗣️ 情景例句
What is wrong with you?
你怎么啦？
Being on sea, sail; being on land, settle.
随遇而安。
China is great! We like school, and the food is good too.
中国太棒啦！我们喜欢学校，这里的吃的也挺好。