常見(jiàn)例句Longitudinal or seif dunes are dunes that are parallel to a strong wind that blows in one general direction.縱曏或者賽夫沙丘是與強(qiáng)風(fēng)平行的沙丘，風(fēng)縂是以相同方曏刮過(guò)。 返回 seif