1·It is a kind of warm up.
这是一种热身方式。
2·Let's do warm up and stretch exercises.
让我们一起做热身和伸展运动吧。
3·You must warm up before you play football.
踢足球之前必须要热身。
4·It's important to warm up before exercise.
在锻炼前做热身活动是很重要的。
5·That's right, kids, you have to warm up often.
就是这样，孩子们，要经常热身。
1·The consensus among the world's scientists is that the world is likely to warm up over the next few decades.
全世界科学家的共识是地球可能在未来几十年中变暖。
—— 《柯林斯英汉双解大词典》
2·You can improve an ice cream headache by rapidly rubbing your tongue across the roof of your mouth to help warm up things.
你可以通过快速地用舌头摩擦上颚来帮助食物变暖，从而缓解吃冰激凌时的头痛。
3·But the gradual melt-back of that cover exposes more of the dark ocean, land and vegetation to the direct rays of the Sun, allowing them to absorb ever more solar energy and warm up.
但是这种冰雪盖的逐渐消融使得更多的深色海洋、陆地和植被暴露在太阳的直接辐射之下，从而使它们可以吸收更多的太阳能并变暖。
4·You also need to warm up your audience first.
所以你也需要通过暖场让你的听众进入状态。
5·The oceans expand as they warm up.
当海洋变暖时，它的体积就会膨胀。