1. You're burning up—have you seen a doctor? 你发烧了—你看过医生吗?
2. As we get older, our bodies become less efficient at burning up calories. 随着一天天衰老,我们的身体消耗热量的功能逐渐减弱。
3. It's burning up! 它烧起来了!
4. So we are burning up an enormous amount of fuel at every launch just to get the rocket up to what's known as escape velocity. 所以每一次发射我们都要耗费大量的燃料来让火箭达到所谓的“逃逸速度”。