A rare glimpse at a primordial galaxy undergoing a growth spurt may provide some answers.

科学家观察到一个原始星系的急剧膨胀，次罕见的观测也许能提供答案。

By the same logic, a sharp downturn can shake confidence.

样的道理，急剧的衰退会动摇信心。

But in the last century, populations of the endangered African penguin have plummeted, due in part to human disturbance, egg poaching and climate change.

但在上个世纪，非洲企鹅的数量急剧下降，濒临灭绝，部分原因是由于人类活动、企鹅蛋的偷猎和气。

Yeah, looks like another volatile day.

看起来今天又是急剧波动的一天。

Medical experts say there's been a spike in respiratory problems.

医学专家称，居民呼吸系统出现的问题急剧增加。

It suggests that declines like these are happening with different insects around the world though there's so much that's unknown about certain regions that it's hard for researchers to say for sure.

表明，尽管某些地区还存在很多研究人员很难确定的未知因，但昆虫数量急剧减少的情况在世界各地都有发生。

Now together these help to create wind sheer down near the perimeter and that is what helps create some of the more violent tornadoes.

现在，些因作用形成了周边地区的风速急剧下降，也是形成一些更加猛烈的龙卷风的原因。

Satellite data that came out last week indicated there'd been a dramatic increase in the number of wildfires burning in the Amazon Rainforest including parts of Brazil and other surrounding countries.

上周公布的卫星数据显示，包括巴西部分地区和其他周边国家在内的中东亚马孙雨林，森林大火的数量急剧增加。

A dramatic increase in violent crime is challenging American cities from coast to coast.

暴力犯罪的急剧增加正挑战着美国各地的城市。

We are at a tipping point where biodiversity is changing dramatically, and for the worse.

我们正处于生物多样性急剧的临界点，而且会越来越糟。

State subsidies for public colleges and universities have declined precipitously, and state funding represents an increasingly small share of the budget at public research universities.

各州对公立大学和大学的补贴急剧下降，公立研究型大学的拨款在州财政预算中所占比例越来越小。

Because hippo dung provides vital nutrients for the fish in Lake Edward, its absence has led to a rapid decline of the lake's fish stocks.

河马粪是当地爱德华湖内鱼类的重要养料，所以河马的消失也会引起湖中鱼类的急剧减少。

Air safety has not improved since the dramatic advances of the 1970s.

飞行安全自从20世纪70年代的急剧发展以来还没有得到改善。

A sharp decline in the number coming is visible.

在不久的将来，个数字的急剧下降是肉眼可见的。

The company's shares fell sharply after the news became public.

消息曝光后，该公司的股票急剧下跌。

To campaigners, it is a menace behind a sharp increase in fatal attacks.

对活动人士来说，它们是致命袭击急剧增加的一个威胁。

Experts claim that diabetes did not exist in UAE a couple of decades ago but that, due to massive change in the country's diet, the number of people with this disease has skyrocketed in the last few years.

专家声称，几十年前，糖尿病在阿联酋并不存在，但由于国家饮食的巨大，在过去几年中，患种疾病的人数急剧增加。

Then there's the steep changes in elevation that must be considered as well.

此外，海拔的急剧也必须考虑在内。

As the hours passed, that number fell sharply (see chart), eventually reaching zero.

而随着中午的临近，批准的数量急剧减少（如图所示），最终接近于0。

France has seen a steep rise in its daily number of coronavirus-related deaths, registering 1417.

法国每天死于冠状病毒的人数急剧上升，达到1417人。