For example, if you accidentally touch a hot stove, the nerves in your skin shoot a message of pain to your brain. The brain then sends a message back telling the muscles in your hand to pull away.
比如你不小心碰到了热火炉,你皮肤中的神经就会向大脑发射疼痛信号,于是大脑就会发回信号让手挪开。
They were so deeply absorbed in watching the show on television that they found it hard to pull away.
他们聚精会神地看着电视里的表演,舍不得离开。
If you've been hurt, your instinct is probably to pull away and protect yourself. But if you do this, the friendship will likely die.
一旦受到伤害,你本能的反应可能就是马上离开以保护自己,如果这样做的话,你们的友谊可能就随之结束了。
So it's just a measure of how much does one given atom want to pull away electron density from, let's say, an adjacent atom.
因此,它就是度量一个给定原子有多么,想把电子密度拉过来,可以说,从相邻的一个原子那里。
So you can think about how these 2 things combined are going to be electronegativity, which is a measure of how much an atom wants to pull electron density away from another atom.
因此你可以想象出,这两样性质合起来就是电负性,也就是一个度量,关于一个原子,有多希望把另一个原子的电子密度拉过来的。
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