discover,find,find out,invent的区别

discover,invent,find,find out 不同 discover,find,find out,invent的区别 Find和Discover的区别 find 和discover啥区别? discover 和find的区别 discover与find等区别 develop invent discover find 有什么区别 discover 和find的区别是什么 discover 和find 有什么区别 find,find out,look for,discover的用法 Discover、Invent、Find、Find out 的区别要全 discover,find out,look for, find的区别? find out,discover,look for,find,invent之间的区别 discover,invent和find,find out 的区别 discover,find和find out的区别详细点 find和discover有什么区别?发现石油是用find oil 还是discover oil? find find