I can take a heat pack, like the kind you buy at a pharmacy. Break it up. It gets hot.

买来的热装罐在里面打破,它就变热了。

麻省理工公开课 - 热力学与动力学课程节选

They kept up the hot shooting going into the break, even when those shots came from about 50 feet away.

WSJ: Knicks Beat Up on Depleted Boston

It is often served in a stainless-steel cup and, along with some people-watching, makes a perfect post-train-ride break on a hot day.

BBC: Riding the rails like a Mumbaiker

The explosions were apparently the result of gases that are produced when nuclear fuel reaches extremely hot temperatures and begins to break down.

WSJ: Japan's Nuclear Crisis Escalates