这一封电子邮件是回答你的2005年八月20日的请求，关于来自一个缩影胶片卷的一个引证。

This email is in reply to your request of 20 August 2005, regarding a citation from a microfilm roll.

youdao

例；请求；情况；举例；引证。

To offer as an example; cite.

youdao

例；请求；情况；举例；引证。

To offer as an example; cite.

youdao