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Use "write up" in a sentence
"The ones I will write up and send in an e-mail to the New Hampshire Gazette."
"Following the X-15 flight, there was barely enough time for Neil to write up his pilot comments before he had to leave for Brooks Air Force Base in San Antonio."
"I want you to get where you can see all that is going on, and, with paper and pencil in hand, write it down, so we may not have so much labor and so many conflicitng statements, and then write up the Report at once after the battle."