Sand dune
n. 沙丘, 风吹积成的沙丘
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
dune
[dju:n]
n. （由风吹积成的）沙丘;
🗣️ 情景例句
The fifth word is seven.
第五个字是七。
Thank you for helping me.
谢谢你帮了我的忙。
Of course. When I got there, you had already started playing. So you didn't see me.
当然啦。当我到那里时，你们已经开始踢球了。因而你没看见我。