en_tn_condensed/isa/06/03.md

Each one called to another and said

"The seraphim called out to one another and said" or "The winged creatures proclaimed to one another"

Holy, holy, holy, is Yahweh of hosts

"Yahweh of hosts is holy beyond all else" or "Yahweh of hosts is completely holy"

The whole earth is full of his glory

"Everything on the earth is evidence of God's glory"