By these three was the third part of men killed, by the fire, and by the smoke, and by the brimstone, which issued out of their mouths. By these three was the third part of men killed - That is, By these was great carnage made.
Related Commentaries of Revelation 9:18
Revelation 9:18
18 By these three was the third part of men killed, by the fire, and by the smoke, and by the brimstone, which issued out of their mouths.