In this factory, we use compressed air to operate the machines.

The reticulated python is one of the largest snakes in the world.

He is preparing to explore the Dark Continent.

Dark matter is covering this world.

It is believed that dark matter makes up most of the universe.

He is advancing the new project by groping in the dark.

I just started a new project and I'm still groping in the dark.

He starts talking about himself at every opportunity, causing trouble for the people around him.

I was astonished and dumbfounded by his sudden confession.

My grandmother is good at handling delicate things.