一项在猴子上的实验发现，焦躁的脾性部分是遗传因素导致，并且，它同一块特殊的与情绪有关的脑部区域相连。
A new study with monkeys finds that an anxious temperament is partly heritable and that it's tied to a particular brain region involved in emotion.
极地区域与地球其他地方在大气和海洋方面是紧密相连的。
The polar regions are connected to the rest of the planet by the atmosphere and the ocean.
虽然目前尚未有结论是否这些症状构成了某种综合症，但大脑中用于储存数字的区域与用来表征手指的区域是紧密相连的。
There is still no agreement on whether these symptoms constitute a syndrome, but the bits of the brain used for storing facts about numbers and for representing the fingers are close to each other.
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