en_tn/ezk/01/22.md

an expansive dome

A dome looks like a hollow ball that is cut in half. "Expansive" means very large. Alternate translation: "a huge bowl"

awe-inspiring crystal

inspiring crystal** - "awe-inspiring ice" or "crystal that makes people marvel when they look at it"

stretched out over their heads above

"and the expansive dome was spread out above the heads of the creatures" or "and the expansive dome took up a lot of space over the heads of the creatures"

Beneath the dome

"under the dome"

Each of the living creatures also had a pair to cover themselves—each had a pair to cover his own body

"Each of the living creatures also had two other wings, which they used to cover their bodies"