1.ask for 请求,要求
I didn't ask for the chairmanship. I was pitched into it.
我并不要求主席职位,我是被迫接受的。
What we expressed to them is that we know they did not ask for this.
我们向他们表明的就是我们知道他们不要对这件事有什么刻意要求。
2.melt down 熔化;融掉
In the case that I do melt down, please don't try to help!
在我完全奔溃的情形下,请不要尝试帮助我!
As nuclear cores melt down, reacting nuclear fuel creates many different radioactive elements, all with different toxic effects.
当核反应堆的核心融化的时候,相互作用的核燃料会产生许多不同的放射性元素,他们的毒性各不相同。