Translation
Then I heard every creature which is in heaven, on the earth, and under the earth, and everything that is in the seas, saying to the one sitting on the throne and to the LAMB, “Praise and honor and glory and power be yours forever and forever.”
Paraphrase
Then I heard every creature which is in heaven, on the earth, and under the earth, and everything that is in the seas, saying to the one with complete authority and to THE ONLY EFFICACIOUS SACRIFICE, “Blessing and honor and glory and power are yours forever and forever.”