父亲刘敦桢虽然很早就已接触了中国的传统园林，他对园林的认识，也是在长期的过程中得到不断深化和提高。

Although Mr. LIU Dunzhen had early contact with the Chinese traditional garden, his understanding of garden was continuously deepened and improved during the long-term process.

youdao

父亲刘敦桢虽然很早就已接触了中国的传统园林，他对园林的认识，也是在长期的过程中得到不断深化和提高。

Although Mr. LIU Dunzhen had early contact with the Chinese traditional garden, his understanding of garden was continuously deepened and improved during the long-term process.

youdao