preclude
vt. 阻止; 排除; 妨碍
If something precludes an event or action, it prevents the event or action from happening.
At 84, John feels his age precludes too much travel...
84岁的约翰感到自己年事已高,不能进行太多的旅行。
He would rebuff enquiries in such a way as to preclude any further discussion.
他会断然拒绝询问,使得无法进行进一步的讨论。
If something precludes you from doing something or going somewhere, it prevents you from doing it or going there.
A constitutional amendment precludes any president from serving more than two terms...
一项宪法修正案使得任何总统的任职不得超过两届。
In some cases poor English precluded them from ever finding a job.
英语不好有时会让他们找不到工作。
1. keep from happening or arising; have the effect of preventing;
2. make impossible, especially beforehand
Special Forces are often deployed to preclude , preempt and resolve terrorist incidents abroad.
特种部队常常被派遣去预防、解决各地恐怖事件.
In the realm of totalitarian kitsch , all answers are given in advance and preclude any questions.
在极权主义的庸俗作品里, 所有的答案都提前给出并产生了新的问题.
This measure may preclude the exclusive agency from selling crucial crude oil.
这个措施可以使专有的代理不能出售决定性的原油.
My present finances preclude the possibility of buying a car.
按我目前的财务状况我是不可能买车的.
The lack of any methoxysubstituted benzenes would preclude any insertion process taking place.
例中没有甲氧基取代的笨,就应当排除任何嵌入反应的发生.