send in

US /send ɪn/
UK /send ɪn/
"send in" picture
1.

提交, 送交

to send something to a central place or authority

:
Please send in your applications by Friday.
请在周五前提交您的申请。
The company decided to send in a team of experts to investigate the issue.
公司决定一个专家团队调查这个问题。