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

Perhaps it would be offered again.

有可能还会再开。

普林斯顿公开课 - 人性课程节选

We remove another one, system expands.

再移开一颗，系统又膨胀一点。

麻省理工公开课 - 热力学与动力学课程节选

You drive your car in, it shows you by the arrows where you go, you stop at window one to make your order and pay, and then you go to window two to collect your food, and they're open twenty-four hours.

你开车进来,沿着箭头指示,直到第一个窗口停下,点单,付账,再开到第二个窗口领取食物,他们是二十四小时营业的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Instead of summing them and dividing by M, I multiply them all together and take the nth root of them.

我把所有的乘在一起然后开n次方,而不是把他们加总再除以个数

耶鲁公开课 - 金融市场课程节选