Something formed in the mind; a thought or notion.

在脑海中形成的想法；思想或观念。

youdao

An abstract idea or notion; a unit of thought.

一个抽象的观念或想法；一个思维单位。

youdao

An abstract idea or notion; a unit of thought.

一个抽象的观念或想法；一个思维单位。

youdao