n.拔根者；用鼻掘土的动物；挖土机
It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
The plant has not struck root yet. 那棵植物还没生根。
Unhappiness is the root cause of his illness. 不开心是他生病的根源。
Idleness is the root of all evil. 懒惰乃万恶之源。
I managed to root out a copy of the document. 我好不容易才找到了文件的副本。
