Deserts cover one third of the land's surface 沙漠覆盖了地球表面的1/3
Its richest parts are those where waves and currents bring fertilising nutrients to surface waters that are bathed in sunlight. 当海浪和洋流把大量营养物质翻上 沐浴着阳光的表层海水时 那里便成了最热闹的用餐场所
This forest covers only 3 percent of the planet's surface, 这些森林仅覆盖了地球表面的3%