他们将吸取来自你们的能量(你们称之为金钱的能量)用之以邪恶的目的，并且返还给你们无价值的糟粕之物。

They will suck your energy from you - the energy you call money and will put it to evil ends giving you worthless dross in return.

youdao

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