The number one mistake runners make on race day is to go out too fast, expend way too much energy in the first few miles and crash and burn towards the end.
最常见的失误是在起跑时跑太快，把太多的体力消耗在前面的几英里，然后带着失败的情绪奔向终点。
2
With all that wasted energy, bulbs burnout quickly.
因为浪费了很多能量，白炽灯消耗能量的速度很快。
3
Many children need to get out and walk around, both to burnenergy and to prevent motion sickness.