！found名词形式是foundation，foundation中文意思是n. 地基，基础；基本原理，根据；基金会；建立，创办；（化妆打底用的）粉底霜
And that to know himself is the foundation stone of knowledge.同时又知道，认识自己乃是真知识的基石。
Methanol is the foundation stone of C1 chemical industry.
！found名词形式是foundation，foundation中文意思是n. 地基，基础；基本原理，根据；基金会；建立，创办；（化妆打底用的）粉底霜
And that to know himself is the foundation stone of knowledge.同时又知道，认识自己乃是真知识的基石。
Methanol is the foundation stone of C1 chemical industry.
