It 's very cold outside, so you must wrap up warm.

现在外面很冷，你必须穿外衣，披上围巾，保暖。

youdao

When it is cold outside, the president and his family can warm up near one of the White House's twenty-eight fireplaces.

VOA: special.2009.05.08

Let's begin with a kind of warm-up sheet which we can anchor in these little drawings I've made.

让我们先来热一下身,看一下我在黑板上画的图。

耶鲁公开课 - 文学理论导论课程节选

And it's for that whole unit that you've got some heat capacity. How much heat does it take the warm the entire thing up or the insides of the thing up by a degree? It's that number right.

由这个单位你能知道,一些热容的信息，要让这整个装置,或里面放置的东西,升温一度需要多少热量？

麻省理工公开课 - 热力学与动力学课程节选

The squad will arrive in London on Tuesday ahead of Sunday's warm-up match against Harlequins.

BBC: Gareth Widdop in Storm squad for World Club Challenge

It's a warm up act for bigger battles: Should Congress establish a regulatory agency for consumer financial protection?

FORBES: Magazine Article

Rooney was booked in Monday's warm-up win over Platinum Stars and accused of using "vulgar language" by the referee.

BBC: World Cup 2010: Wayne Rooney backed to control temper