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

Politicians in Bath are to launch their latest bid for expansion of one of the city's park-and-ride sites.

BBC: Bath council to launch new park-and-ride expansion bid

With the expansion from women's clothes to take in wallpaper, furniture, bedding, lampshades and bath products, the business and its 500 shops across the world seemed set for a flourishing future.

BBC: Laura Ashley shop

"We believe an improved public transport network is essential if our area is to create new jobs for local people, so the completion of the Odd Down park and ride expansion is a step in the right direction, " said Ian Bell, Director of the Bath Chamber of Commerce.

BBC: Odd Down park-and-ride site expansion complete