1.The brain becomes either more squashed or bigger in size.
either or不是…就是…
We fight, or we don't, it's an either - or decision.
我们要么打,要么不打,非此即彼,没有别的出路 。
2.The researchers also say we will understand more about how neurons in the brain make connections.
make connections建立连接
They also try to make connections that may seem strange at first.
他们还把一看起来奇怪的东西建立起联系 。
3.In addition, the findings will help future space travelers on their journey to Mars.
in addition另外;除此之外
In addition to my weekly wage, I got a lot of tips.
除了每周的薪水外,我还能得到不少小费 。