warm up

基本解释

Take a warm shower or bath to warm up your muscles beforehand, then lie on the floor and stretch.
先洗个热淋浴或者泡个热水澡来帮助你的肌肉热身，然后躺在地板上开始拉伸。
Warm up with a 10-minute run to the base of a hill that has a steady (but not overly steep) slope.
花10分钟时间，跑到有些坡度（但不能太过陡峭）的小山脚下，当作一次热身。
To warm up for strength training, move your muscles and joints through the movement patterns you'll do during the exercise, but before you start with weights.
为力量训练热身，那就通过你将要在锻炼中做得动作活动你的肌肉和关节，但是是在你加重量前做。

Taking a warm bath or sitting by a fire or doing some exercise can also help the body warm up.
So all of Book I is really a kind of warm up for what follows in the rest of the book.
所以整个第一册其实是,类似一种为往后各册所做的暖身。
耶鲁公开课 - 政治哲学导论课程节选
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

The investor class of voters may never warm up to a liberal Democrat like Obama.
FORBES: The Way We'll Be

If you warm something up or if it warms up, it gets hotter.
If you warm up for an event such as a race, you prepare yourself for it by doing exercises or by practicing just before it starts.
When a machine or engine warms up or someone warms it up, it becomes ready for use a little while after being switched on or started.