陆地表面的70%为植被所覆盖，植被是陆地生态系统的基本组成成分。

Vegetation is one of the most important components of the ecosystem with 70 percent of the land surface coverage.

youdao

陆地表面的70%为植被所覆盖，植被是陆地生态系统的基本组成成分。

Vegetation is one of the most important components of the ecosystem with 70 percent of the land surface coverage.

youdao