en_tn/act/09/37.md

It came about in those days

This refers to the time when Peter was in Joppa. This can be stated. Alternate translation: "It came about while Peter was nearby" (See: rc://en/ta/man/translate/figs-explicit)

washed her

This was washing to prepare for her burial.

they laid her in an upper room

This was a temporary display of the body during the funeral process.