copy in

US /ˈkɑː.pi ɪn/
UK /ˈkɑː.pi ɪn/
"copy in" picture
1.

抄送, 副本发送

to include someone in an email or other communication by sending them a copy

:
Please copy in John on this email so he's aware of the updates.
请将约翰抄送到这封邮件中,以便他了解最新情况。
I'll copy you in on the next meeting invitation.
下次会议邀请我会抄送给你。