terrestrial root的用法和樣例：
例句
- The set of reachable objects is the transitive closure of the root set under the points-to relation.
可到達的對象集是指向關係下根集的傳遞閉包。 - Roses will not root in such acid soil.
玫瑰在這種酸性土壤中不會生根。 - Many European customs failed to take root in some countries.
許多歐洲的風俗未能在有些國家裡生根。
