n.根,根源,原因,本质,祖先,[乐]和弦基音
vt.使生根,使固定,根源在于,欢呼,喝彩
vi.生根,根除
Her ankle caught on a root, and she almost lost her balance.
她的脚踝被树根绊了一下,差点摔倒。
The forces of National Socialism were transforming Germany root and branch.
纳粹主义势力当时正在彻底改变德国。
It shouldn't take too long to root him out.
把他铲除掉应该不需要太长的时间。