基本解釋賽夫沙丘(順著風(fēng)向的長(zhǎng)沙丘)同根派生 seif相關(guān)詞英漢例句Longitudinal or seif dunes are dunes that are parallel to a strong wind that blows in one general direction.縱向或者賽夫沙丘是與強(qiáng)風(fēng)平行的沙丘，風(fēng)總是以相同方向刮過。seif更多例句