underside of forest

• 林下

underside of forest的用法和样例：

例句

1. Undergrowth, one important component of the forest ecosystem, plays an important role in maintaining the forest structure and soil quality.
   林下植被作为森林生态系统的一个重要组成部分，对维持林分结构和土壤质量起着重要作用。
2. Hemispherical photography has been used to study forest canopy geometry and understory light environments for approximately half a century.
   摘要利用半球面影像技术来探讨林冠结构与林下光环境已有约半世纪。