常见例句Abstract: Shrub, semi-shrub and herb in psammophyte and xerad are dominant in the natural vegetation in Minqin desert area.It is typical of desert vegetation. 文章摘要: 民勤荒漠区植物种类稀少，自然植被以沙旱生灌木、半灌木和草本为主，属于典型的荒漠植被类型； 返回 xerad