及物动词
不及物动词
1. 防止；预防；阻止
To prevent something means to ensure that it does not happen.
1. stop (someone or something) from doing something or being in a certain state
e.g. We must prevent the cancer from spreading
His snoring kept me from falling asleep
Keep the child from eating the marbles
Synonym: keep
2. keep from happening or arising
make impossible
e.g. My sense of tact forbids an honest answer
Your role in the projects precludes your involvement in the competitive project