1 [C] a thing that has been made or designed by sb for the first time 发明物:
The microwave oven is a very useful invention.微波炉是一项十分有用的发明。
2 [U] the action or process of making or designing sth for the first time 发明;创造:
Books had to be written by hand before the invention of printing.印刷术发明之前,书本都是手抄的。
3 [C,U] telling a story or giving an excuse that is not true 造;虚构:
It was obvious that his story about being robbed was (an) invention.遭抢劫的事显然是他一手杜撰的。