树池保护格栅的英文：
Tree grate
n. 树，木料，树状物
v. 赶上树；爬上树；逃上树
The trees are sparse.
树木稀疏。
The trees are in blossom .
树上鲜花盛开。
the parent tree
母树
Such a tree may be at odds with a scientific tree.
这种树，可能与科学上的树有区别。
Deciduous trees: Hardwood trees which shed their leaves.
落苣树:年落苣的硬木树。
v. 磨碎；发摩擦声；使烦躁
n. 炉栅，壁炉
grating satellite
光栅“伴线”
The trees afford grateful shade.
这些树提供了宜人的纳凉之所。
The dependents are grateful for outside help.
受援助者特别感激外界的帮助。
To scrape harshly; grate.
刮用力地擦，磨擦
To grate on or jar(the nerves).
激怒或刺激（人的神经）