These same cycles of change had momentous impacts on the sparse human populations of the region.

这些相同的变化周期对该区域稀少的人口产生了重大影响。

In that year, two momentous discoveries were made.

那年有2项重大的新发现。

Invention is momentous and fundamental to people what the soul is vital and significant to us.

对于人们来说，发明是至关重要、必不可少的，正如灵魂对人们来说是不可或缺且意义重大的一样。

We also face a momentous choice.

我们面对着重大抉择。

Last year was awful but momentous.

去年是糟糕的一年，但也具有重大意义。

The second order is more momentous.

第二项指令则更加声势浩大。

He faces momentous and unpleasant choices.

他面临着重要而且艰难的选择。

This was a momentous week for America.

这一周对美国来说是非常重要的一周。

That in itself is not a momentous change.

数值变化本身并非什么重大改变。

That's a truly momentous day for any teenager.

对于任何一位少年来说，这都是值得铭记的一天。

But it has also witnessed two momentous events.

它也见证了两项重大事件。

It's a momentous day for America - and the world.

对于美国和全世界来说，今天是具有重大意义的一天。

We are now faced with a similarly momentous challenge: global warming.

现在我们面临着一个同样重大的挑战——全球气候变暖。

The challenges facing Mr Obama are momentous; so is his potential.

奥巴马面临着很多重要的挑战，但是他有潜力。

It would be a momentous feat. But it will also set nerves jangling.

这将是一项重大的功绩，不过同时也刺激着(保守者的)神经。

It is a momentous event, something we will tell our children's children about.

像这样重大的事件，日后一定会在我们的儿孙辈间传述。

In early 2008, Sabine and his wife made the momentous decision to have a child.

2008年初，Sabine夫妇做了一个重大决定——他们决定要一个孩子。

It proved a momentous night for Martin, for after dinner he met Russ Brissenden.

那天晚上对马丁很为重要，因为他晚饭后遇见了罗司·布里森登。

This would be momentous, especially for India's half a billion, badly served women.

这是一个重大时刻，尤其是对印度的5亿被恶劣对待的妇女们来说。

In my view, this world conference must be the third momentous event of the year.

在我看来，本次世界大会必须成为今年第三项重大事件。

Because it was such a momentous occasion, they could not take the chance sounding badly.

在那样一个重大场合，他们不能冒表演失败的风险。

Nanopores are tiny, but if they can be harnessed, the consequences could be momentous.

纳米孔很微小，但是如果能够合理利用，意义将是巨大的。

Perhaps his foundation will spur some equally momentous change, but it seems unlikely.

或许他的基金会同样也会有巨大的贡献，但似乎不太可能。

Despite its flaws, it is an accomplished portrait of momentous times in a remarkable country.

尽管书中存在诸多缺陷，但它是一个了不起的国家重大时刻颇有成就的画像。

Very soon, as the days grow shorter and the rains return, leaders could face a momentous decision.

很快，随着白昼渐短、雨季归来，各国领导人将面对一个重大决定。