Or to rest your head. Now scientists say that by separating our heads from our bodies, the neck gave our brains a leg up in evolution.

现在科学家宣称脖子通过将我们的头部从躯干上分离开，给大脑的进化助了一臂之力。

youdao

What exactly do biologists mean when they say that they have observed evolution or that humans and chimps have evolved from a common ancestor?

当生物学家说他们观察到了进化，或者说人和黑猩猩是由一个共同祖先进化来的，他们要表达的精确涵义到底是什么？

youdao

Rather, he is just expressing laws. That is to say, the legal norms of a society and their development or evolution are determined by some objective necessity.

这就意味着，一个社会的法律规范及其演进是由一定的客观必然性所决定的。

youdao

Or did you look at other planets out there and say, hey maybe we had a little bit different evolution than they did?

NPR: What Makes Our Solar System Special?

Analysts say Huawei is now one of the leading vendors globally of equipment for Long Term Evolution, or LTE, a wireless standard that allows higher traffic speeds than older networks.

WSJ: Motorola's Suit Poses Challenge for Huawei's Success