Prehistoric cave denizens cleaned the skulls before using stone tools to shape the upper parts of the brain cases into containers, the researchers say.
研究人员称，史前穴居人先将头骨清洗干净后，再用石器修正上半脑部位置的形状，使之成为容器。
2
It seems that our brain possesses the philosopher's stone that enables us to turn lead into gold and helps us bounce back to normal levels of well-being.
看来我们的大脑拥有点金石，可以使我们把铅块儿变成金子，帮助我们回到感觉良好的正常水平。
3
If you're really looking for some brain-boosting benefits, physical exercise is an extremely effective way to exercise your mind-and you're killing two birds with one stone.