美 [hiːt ʌp]
变热：指变得温暖或热。
变得更活跃、激烈或愤怒：指变得更加活跃、激烈或愤怒。
加热（某物）：指使（某物）变得温暖或热。
heat up // [ heating heated heats ]
动词词组 When you heat something up, especially food which has already been cooked and allowed to go cold, you make it hot. 把…加热
Freda heated up a pie for me but I couldn't eat it.
弗雷达为我热了一块馅饼，可我不能吃。
动词词组 When a situation heats up, things start to happen much more quickly and with increased interest and excitement among the people involved. 升温
Then in the last couple of years, the movement for democracy began to heat up.
于是在过去几年里，民主运动开始升温。
动词词组 When something heats up, it gradually becomes hotter. 变热
In the summer her mobile home heats up like an oven.
在夏天，她的活动住房像个烤箱那样热起来。
... transfer market –转队员市场 heat up –升温；加热 whet the fans' appetite –让球迷们的兴趣 / 渴望大增 ...
... come about发生(不及物) heat up 受热 up to多达; 比得上 ...
... polarregion极地；南北极地区 heat up加热；变热 Alaska［lsk］阿拉斯加 ...
... 放射性强） thermal 受很多人欢迎的） in great demand; popular 使热; 加热） heat up; warm up; warm ...
加热
The oven takes a while to heat up.
烤箱得过会儿才能热起来。
Remember this engine is running backward, and we're pumping heat up.
记住这个热机是反向运行的，我们把热量向上传输。
Some experts say there are still good reasons to believe cheap oil should heat up the world economy.
一些专家说，我们仍然有充分的理由相信，廉价石油会使世界经济升温。
"We use some kind of light oil that we heat up and we actually work it into the oily feathers.
VOA : standard.2010.06.08
The stuff that's inside the reacting volume, and whatever's right around it there inside the big box, it's all going to heat up.
都会升温，对吧？,在反应容器里的东西,以及大箱子里的任何东西，他们都会变热。
热力学与动力学课程节选 : 麻省理工公开课
Heat up the library all the time.
要天天泡在图书馆里。
SpeakingMax英语口语达人 : 是考试期间
This could be a serious problem. The shield protected the spacecraft from burning up from the extreme heat of re-entering the Earth's atmosphere.
VOA : special.2009.06.17
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
And when they heat up, so the theory goes, they will cauterise any nearby cancer cells.
Meanwhile, the controversy over the incredibly high cost of breakthrough cancer drugs continues to heat up.
As the audits heat up, it will be interesting to see how the industry responds.