Tighten the muscles of the right finger and try to pull it away from the knuckle.
收紧右手食指的肌肉并试图从指关节处拉它。
If you let a baby grasp a rod and try to pull it away, he will cling more and more tightly until his whole weight is suspended.
如果你让一个婴儿抓住一根竿子,然后试着把竿子抽出来,孩子就会越抓越紧,直到他们整个重量都依附于此。
With a good shovel, you can cut an outline of the garden in the grass. Your child can then pull the sod away and set it aside it for composting.
先用一把好铲子在草地上划出花园的轮廓。你的孩子可以把草皮拉开,把它放在一边用作堆肥。
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。
应用推荐