五毛美图【desertification】包含7>世界防治荒漠化与干旱日(world day to combat desertification),(图表·插画)世界防治荒漠化与干旱日丨期待绿荫遍野,荒漠化防治 是关系人类永续发展的伟大事业,desertification and control of blown sand disasters in xinjiang等图片的集合。