自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT 发明物;创造的事物 An invention is a machine, device, or system that has been invented by someone.
It's been a tricky business marketing his new invention...
The spinning wheel was a Chinese invention.
N-UNCOUNT 发明;创造 Invention is the act of inventing something that has never been made or used before.
More than eight million books were printed within fifty years after the invention of the printing press.
印刷机发明以后的 50 年间,有 800 多万册图书被印刷。
...the invention of the telephone.
N-VAR 捏造;虚构 If you refer to someone's account of something as an invention, you think that it is untrue and that they have made it up.
In these and several other respects, there are many inventions and exaggerations...
The story was certainly a favourite one, but it was undoubtedly pure invention.
N-UNCOUNT 发明才能;创造能力 Invention is the ability to invent things or to have clever and original ideas.
...his great powers of invention.