prevent
/prɪˈvent/verb
with obj.
1
- keep (something) from happening or arising妨碍, 制止：
action must be taken to prevent further accidents.
应当采取行动阻止事故进一步发生。
1.1
- make (someone or something) unable to do something阻止, 阻挡：
opposition parties were prevented by riot police from joining the demonstration.
防暴警察阻止了反对党参加示威游行。
2
- archaic (of God) go before (someone) with spiritual guidance and help〈古〉（上帝）引领。
派生词
preventability
nounpreventable
（亦作preventible）adjective词源
late Middle English （in the sense 'act in anticipation of'）： from Latin praevent- 'preceded， hindered'， from the verb praevenire, from prae 'before'+venire 'come'.