invent:
vt. 发明；创造；虚构
Writing had not been invented as yet.
书写体系当时还没有发明出来。
Researchers invent new prosthetic arm.
研究人员发明新假肢。
invented:
v. 发明；虚构（invent的过去分词）
adj. 发明的
He invented the first electric clock.
他发明了第一个电动钟。
Esperanto was invented as an auxiliary language.
世界语是作为辅助语发明的。
He invented a new game, but it never really caught on.
他发明了一种新的游戏，但从未真正流行起来。
