prevent from中from是介词吗?后面加什么成分?

prevent from中from是介词吗?后面加什么成分? prevent from怎么用? prevent~~from~~是什么意思 prevent us from doing far from 中far是介词吗?有away from 那away是介词吗？ prevent to与 prevent from的区别 英译中 prevent the palace buildings from catching fire.prevent the palace buildings from catching fire.主要是from catching fire. protection…from 和prevent from 的区别在用法上打错了 是protect…from stop keep prevent protect中哪个可以省from protect...from...例句例句翻译prevent.from. prevent from from 可以省略吗 Prevent from与Keep from的区别? prevent from keep off protect from区别 restraint from和 prevent from的区别 prevent...from造句 带中文 Where are you from中from是介词,为什么没有宾语? prevent ...from ,stop..from ,与keep..from 区别 stop...from ,prevent...from ,keep...from 有什么区别?