King James Version
And mount Sinai was altogether on a smoke, because the LORD descended upon it in fire: and the smoke thereof ascended as the smoke of a furnace, and the whole mount quaked greatly.New International Version
Mount Sinai was covered with smoke, because the LORD descended on it in fire. The smoke billowed up from it like smoke from a furnace, the whole mountain trembled violently,Catholic Public Domain Version
Then all of Mount Sinai was smoking. For the Lord had descended over it with fire, and smoke ascended from it, as from a furnace. And the entire mountain was terrible