invention是什么意思?

invention是什么意思? invention是什么意思啊? invention中文是什么意思? process-invention是什么意思 the most useful invention of all time 是什么意思? the invention I felt encouraged by his interest in my new invention是什么意思 re-invention of the Invention telephone的中文 invention inventor 可数吗 invention什么意思? invention可数吗 发明invention可数吗? invention wheel 的意思 invention什么意思 a packed house是不是组词解释翻译to a packed house eager to get a first look at the most hyped invention 是什么意思?里面有哪些词组? ride the wave I think any historian would agree that syudying the groups of people who rode the wave of Gutenberg's invention is secondary是什么意思? 英语作文My favorite Invention