VERB
阻止;妨碍
If something precludes you from doing something or going somewhere, it prevents you from doing it or going there.
例句
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。