officiate russian
рефери́ровать
to abstract, to summarize, to make a synopsis of
to review, to referee, to peer-review
to report on, to give a talk on, to present
to referee, to umpire, to officiate
отслу́живать
to serve out (one's term), to complete (one's service), to do (one's duty)
to officiate (a service), to hold (a service), to celebrate (mass)



















