basically; fundamentally
实际上，根本上，本质上
it is a moral question at root.
这实质上是个道德问题。
(of a plant) begin to draw nourishment from the soil through its roots
（植物）扎根
affect in a vital area with potentially destructive results
摧毁…的基础，根绝
the proposals struck at the roots of community life.
这些建议根绝了社区生活。
(of a plant) begin to grow and draw nourishment from the soil through its roots
（植物）生根，开始生长
(亦作 root something up)dig or pull up a plant by the roots
连根挖，连根拔
(informal)support or hope for the success of (a person or group entering a contest or undertaking a challenge)
(非正式)支持，赞助，声援（个人或团体参加比赛或接受挑战）
the whole of this club is rooting for him.
这个俱乐部里大家都在支持他。
(N. Amer. informal)cheer or spur someone on
(北美，非正式)为…欢呼，喝彩；为…鼓气
his mother rooted him on enthusiastically from ringside.
他的母亲从台边区拼命为他加油。
Utterly; completely
完全地；彻底地
The organization has been transformed root and branch by its new leaders.
这个组织已被它的新领导人彻底改变了性质