Before the ceremony began, small pre-echoes of the main melody drifted through the hall.

The gallery's dim lights made the photo echoes of past exhibitions seem almost alive.

The echo sounder on the research vessel detected an underwater canyon.

The sonar system measured the echo time to estimate the distance to the seafloor.

The MRI scan included multiple echo times to improve tissue contrast.

The conservation team celebrated when the echo parakeet successfully raised a chick in the wild for the first time in decades.

Conservationists observed echo parakeets at dawn as they fed among the tamarind branches.

The studio engineer chose an echo plate to add a warm, vintage reverb to the vocal track.

When her voice reached the canyon wall, it seemed to re-echo longer than before.

A faint re-echo lingered in the canyon after his shout.