视频对话：
The body must have been put here after the fire was extinguished.
尸体一定是在火灭了之后才放到这里的。
There were a dozen cops and two dozen firefighters on the scene.
现场有十几个警察，二十几个消防员。
本期学习词汇：
extinguish
vt.熄灭（火）；使（希望、爱情等）不复存在；偿清
例句：
1. It took us hours to extinguish the fires.
我们用了好几个小时才把火扑灭。
2. The new flame can extinguish old flame, big pain can make minor suffering ease off.
新的火焰可以把旧的火焰扑灭，大的苦痛可以使小的苦痛减轻。
3. Heavy rain can't extinguish a warmly heart!
大雨浇不灭一颗燥热的心！
4. Smoking is forbidden. Please extinguish your cigarettes.
吸烟是禁止的,请你把烟熄掉。
5. Then, when the sun shines in, it will be such a light that no one will ever be able to extinguish it again.
当阳光洒进来的时候，那种光明，将再也没有人能摁灭。