Note the distance between the surface and the string in each position.

Only a foot of dirt remains between us and the surface.

She drifted slowly between the surface and the bottom, waiting.

At various points along the string, note the distance between it and the surface.

The differences in class and style between the two men regularly surface, but for the trial they must act like brothers.

There is therefore no physical contact between the surface of the disc and the reading device.

Her work becomes a metaphor for the relationship between the surface and inner beauty of women in a hard world.

In addition, some species are benthopelagic, moving between surface and bottom.

There was a twelve-inch space now between the surface and the ceiling.

The net pressure difference between the upper and lower surfaces is zero.