So it doesn't matter how big the dictionary is, you can instantaneously retrieve the value associated with the key. Extremely powerful.
因为你可以在线性时间,内得到想要的键对应的值,这太强大了。
Because, when you ask yourself that question, you should consider what is the thermal energy versus the bonding energy?
这是因为,对于这个问题,我们应当考虑到,什么样的热能,对应于键能?
So in a moment you're going to go ahead and hit the spacebar and then as things fall from the screen when they line up with the left arrow, hit the left arrow with a different arrow, hit that arrow and see how good a score you can get.
一会儿你走到前面,敲一下空格键,当屏幕上面的东西从左边往下掉的时候,你就敲一下键盘上的左键,是哪个方向,敲对应的方向键就可以了,我们来看看你能得多少分。
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