Turn heat up to medium and simmer gently, uncovered, for about 5 minutes. Remove from heat and cool slightly.

中火炖约5分钟，不要加盖，从火上移开，稍微冷却一会。

youdao

Think about this, decomposing leaves create heat that warms the soil; the warm soil in turn affects the growth, the conditions of organisms there.

想想看：叶子在腐烂时会产生热量，使土壤升温；反之，温暖的土壤又影响了微生物的生存条件。

youdao

Turn the heat down or it'll burn.

把炉火开小一些，不然就烧焦了。

《牛津词典》

And in turn there might be an unanticipated outcome, which is that the Miami Heat might end up dominating the NBA for many years to come."

VOA: special.2010.07.26

If the temperature drops below a certain level it sends a signal, 'turn on the heat', and that signal stays on until it gets a negative signal to turn off.

如果温度降到一定程度以下时,探测器会发送一个信号,打开加热器,直到加热器再收到关闭的信号,它就会一直开着

耶鲁公开课 - 生物医学工程探索课程节选

Inside the car, they should open a window a little for fresh air and turn on the engine for ten or fifteen minutes every hour for heat.

VOA: special.2010.01.05

Looks like all that heat generated by your laptop may finally be useful for something other than frying eggs -- a group of grad students led by professor Orest Symko at the University of Utah has unveiled an array of "thermoacoustic" engines that turn heat into sound, which can be directed at a piezoelectric mechanism to produce electricity.

ENGADGET: Tiny thermoacoustic engines pave the way for screaming gadgets

It's time to "turn up the political heat in Washington so we can turn down the heat on Mother Earth, " Rep. Chris Van Hollen, D-Maryland, told the crowd.

CNN: Washington protesters push 'clean energy,' protest coal use

Add the water, celery, onion, and pepper, cover, and turn the heat on high.

NPR: Recipes: 'The Summer Shack Cookbook'