preclude /priˈklu:d/ vt. 阻止，排除，妨碍：preclude all doubts (misunderstanding) 消除一切疑虑(误解) A prior engagement will preclude me from coming. 我因有约在先，不能来了。
preclude /priˈklu:d/ vt. 阻止；排除：preclude misunderstanding避免误解We try to preclude any possibility of misunderstanding.我们努力排除任何误解的可能性。The flood precluded him from coming.他因洪水不能来了。
