谈话中，得知这位正是朱启钤先生的曾孙朱延琦先生。

Through the conversation with this gentleman, I learned that he is Mr.

youdao

谈话中，得知这位正是朱启钤先生的曾孙朱延琦先生。

Through the conversation with this gentleman, I learned that he is Mr.

youdao