Her flesh was so creamy-white and fine that he could trace the blue veins under it.

My fingers traced the bumps of bone, ribs under the flesh.

"Blue," he whispered, and traced the veins under her pale skin.

Then in finer detail, he traced the muscle structure under her skin.

His finger traced slowly under the words in the reader.

There was a thin line of light tracing the crack under her door.

They'd written with the solution; then bleached it, only to find that they could trace the writing under a fluorescent light.

His fingers began to trace along them, under them.

Raising his head again, he traced a fingertip under her eye.

She shivered as he traced a circle under her ear.