现如今，这种乌托邦空想已经过时了，我们对所面临的威胁有了更深刻的认识，从彗星撞击到流行感冒，再到气候变化。

Now utopia has grown unfashionable, as we have gained a deeper appreciation of the range of threats facing us, from asteroid strike to epidemic flu and to climate change.

youdao

如果这是事实。那北美洲应该是进入现代人类时代以来，第一个遭受到来自于地球外物体撞击并造成翻天覆地变化的地方。

If that were true, North America would have suffered the first world-changing impact of an extraterrestrial object in the era of modern man.

youdao

但由于近地面风风向会跟随地形变化，在山坡，这便意味着风会以一定角度撞击涡轮，而不是正面撞击。

But on a hillside that means the wind (which tends to follow the ground when it is close to the surface) hits the blades of the turbines at an Angle, instead of face on.

youdao