英语语法小问题、、、请问protect.from.stop .from.keep..from...prevent..fr

英语语法小问题、、、请问protect.from.stop .from.keep..from...prevent..fr prevent from=stop from=keep from 还是protect from =keep from = prevent from 、stop from、keep from 、protect from 所有用法和区别 stop keep prevent protect中哪个可以省from prevent from keep off protect from区别 Rescue /save ...from ,keep...from,protect ...from,prevent/st stop...from ,prevent...from ,keep...from 有什么区别? prevent ...from ,stop..from ,与keep..from 区别 prevent ...from...和protect... prevent sb.doing sth.\stop sb.from doing sth\keep\protect有什么 stop from和prevent from forbide sb from doing中的from可以像prevent/stop sb from doing中的fr