既是可数名词又是不可数名词。invention作为不可数名词时候的翻译为：发明，创造、创造力，发明才能。invention作为可数名词时候的翻译为：发明物，创作品，复数形式是inventions。

invention是可数名词吗

invention既是可数名词又是不可数名词。

invention的意思是

发明；创意；创造；虚构；编造；虚构的故事；创造力。

invention的例句

Such changes have not been seen since the invention of the printing press.

自从发明了印刷机，这种变革还没有出现过。

The invention of the industrial robot is credited to the company.

工业机器人的发明应归功于那家公司。

John was full of invention ─ always making up new dance steps and sequences.

约翰有丰富的创造力——总能编出新的舞步和连续舞步。

Fax machines were a wonderful invention at the time.

传真机在当时是一项了不起的发明。

This story is apparently a complete invention.

这个故事显然完全是虚构的。