释义 |
seif dune 英seɪf, saɪf美sef, saɪfAHDsāf, sīf 基本英英例句 蛇形砂丘,赛夫沙丘
Noun: a long and tall sand dune with a sharp crest; common in the SaharaLongitudinal or seif dunes are dunes that are parallel to a strong wind that blows in one general direction.纵向或者赛夫沙丘是与强风平行的沙丘,风总是以相同方向刮过。 |