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
The house is so alive with him here.
有了他在这儿， 屋里头生气蓬勃。
You speak English pretty well.
你的英语讲的很好。
I'd also like to congratulate you on your good work in these two years.
我还要祝贺你在这两年中的出色表现。