It is desirable to have these experiments at least worked by the class in unison.
Their hands met and clasped fervently and, again in unison, they said, “Thank God!”
"We will try it again," said he, and this time led the voices all in unison.
There is not a circumstance but is in unison with the wild grandeur of the scene.
Then, in unison, both earthquake and wind died to ...