Sentence examples for subsurface hum from inspiring English sources

Voices like hers are like a subsurface hum that never quite goes silent on the trail.

Subsurface resources are extensive.

Subsurface Martian cows are highly unlikely.

If possible, the drainage improvements are subsurface.

Hum ho.

It starts to hum.

Computers quietly hum.

Both words hum.

My thoughts hum.

"Hum?" he said.

And all llamas hum; in particular, mothers hum to their babies, which hum back.