Slowly the area became what visitors see today -- a dry land of high flat mesa tops and deep canyons formed through thousands of years by flowing rivers.

VOA: special.2010.07.05

And here, in an isothermal expansion, The bath is putting back the energy that the gas is expanding or using to expand, and so the energy is flowing back into the gas through the environment in the isothermal expansion.

而在等温膨胀中，恒温环境将气体膨胀对外做功,而损失的能量又返还回来，在等温膨胀中,能量从环境,流向系统。

麻省理工公开课 - 热力学与动力学课程节选

The energy is not flowing from the batteries through the wires to the CD component.

能量无法再从电池,通过电线流入CD部件中

耶鲁公开课 - 死亡课程节选