He understood, and could discuss, the concepts of "bigger", "smaller", "same" and "different".

他能理解并讨论“稍大”“稍小”“不同”等概念。

youdao

He understood, and could discuss, the concepts of "bigger", "smaller", "same" and "different".

他能理解并讨论“稍大”“稍小”“不同”等概念。

youdao