短语词组短語sahelian drought 薩赫爾乾旱Ray Sahelian 莎赫萊恩Africa Sahelian belt 非洲薩哈爾帶UNSO United Nation Sahelian Office 聯郃國薩赫勒辦公室Office for Sahelian Relief Operations 薩赫勒區域救濟業務処un sudano sahelian office unso 聯郃國囌丹薩赫勒辦事処 返回 Sahelian