During its operation, the equipment is able to discharge automatically the gas trapped in the measuring circuit and performs self-protection and alarm automatically after fuel cutting-off.

工作时能自动排放测量油路内积存的气体，切断燃油后能自动完成安全保护与报警。

youdao

In this way some of the solar energy becomes trapped in rocks — hence the name fossil fuel.

这样一些太阳能就截留在岩石中-因此命名为化石燃料。

youdao

"And because of that about 100 million people were still trapped in poverty because of higher food and fuel prices,".

VOA: standard.2009.04.24

For a man who was staring death in the face a few weeks ago, trapped in the twisted wreckage of a light aircraft with aviation fuel leaking all around him, Nigel Farage is on remarkably good form.

BBC: What now for UKIP's Nigel Farage?

Once the energy trapped in coal is unleashed and its carbon sequestered, energy-laden hydrogen can be used directly in fuel cells.

ECONOMIST: The environment