I just try to block it out, not think about it.
我只是努力把它挡在门外,不去想它。
When you're playing with an injury like that do you try to just block it out?
当你带着那样的伤病比赛时,你是否尝试去控制它?
Water was thought to carry disease into the skin; pores nicely clogged with dirt were a means to block it out.
水被认为会携带疾病侵入皮肤;毛孔让污垢好好的堵住被认为可以将疾病拒之门外。
It's the vitamin associated with the sun that we absorb through our skin, and increasingly block out when we use sunblock, to avoid getting skin cancer.
VOA: standard.2010.05.28
So in fact we can block this out and see what it does.
实际上我们可以画个简略图,来看看这是怎么实现的。
But notice what this does. The first thing it does is, it says, let's check and make sure x is greater than or equal to 0. If it isn't, notice what's going to happen. None of that block is going to get executed, and it's going to come down here and print out a useful piece of information, which says, hey, you gave me a negative number. I don't know how to do this.
做的是和以前一样的事情,但是注释它做了什么,第一件做的事情就是,程序说,要去检查并且确信x是大于等于0的,如果不是的话,请注意会发生什么,下面的代码都不会被执行,程序会到这里来然后显示一些有用的信息,信息会说,嘿,你给了我一个负数,我不知道该怎么弄这个了。
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