late Middle English (in the sense act in anticipation of): from Latin praevent-preceded, hindered, from the verb praevenire, from praebefore + venirecome
英英释义网络释义
vern
1.keep from happening or arising; have the effect of preventing;
My sense of tact forbids an honest answer
2.prevent from doing something or being in a certain state;
We must prevent the cancer from spreading
-prevent
1 . 防止
86.D。考点:动词词义和用法。prevent(防止)和prohibit(禁止)均可用于“~sb. from doing”结构。选项中只有avoid(避免.