flee和escape的区别？

前者只能做动词
后者可做名词,也可做动词.

flee
fled, fled
[fli:]
vi, vt
fled [fled], fleeing [fli:IN]
逃走
The cat fled from the dog.
猫从狗那里逃走了。
He was to flee his native village to join the rebel army.
他被迫逃离家乡参加了叛军。
escape
[I5skeIp]
vi, vt
escaped, escaping
（常与from连用）逃走
escape from prison
越狱
The hotel guests tried their best to escape from the burning building.
旅客们尽力从燃烧的大楼中逃出来。
The three brothers soon escaped from their captors.
这三兄弟不久就从抓住他们的那些人手中逃走了。