"What happens when you get close to an anniversary is suddenly those images are back on TV.
VOA: standard.2010.07.01
But, can you see that as you get really close together the negative electronic cloud surrounding the two ions start to sense one another.
然后当你真的让它们,离得很近时,这两个离子周围的负电子云能感应到对方。
So you get to be pretty close with people, and
所以关系比较亲密,然后
He saw that if you take the atomic mass of chlorine, 2 add it to the atomic mass of iodine, divide by two, you get something that is really close to the atomic mass of bromine.
他看到,如果你将氯的原子质量,加上碘的原子质量,除以,得到的数将与,溴的原子质量很接近。
Now, it is as close to one hundred percent as you can get it.
现在几乎是百分之一百了。
You're going to find out, you know, one of these years when you start teaching that when you get really close to a blackboard, you just cannot think.
过几年以后,你们渐渐就会发现,当你开始教课,当你离黑板真的很近的时候,你就没法思考了
It's always upward sloping, but it may, after awhile, you get close to satiation where you've got enough.
斜率永远是正的,但是也有可能,你拿的钱够多,效用将不再上升
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