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膨胀，这次罕见的观测也许能提供答案。

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

同样的道理，急的衰退会摇信心。

Yeah, looks like another volatile day.

看起来今天又是急的一天。

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增加。

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

暴力犯罪的急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变化的临界点，而且会越来越糟。

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

飞行安全自从20世纪70年代的急发展以来还没有得到改善。

By 1915, the percentage of electric cars on the road had plummeted.

到了 1915 年，公路上行驶的电汽车的比例急下降。

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

消息曝光后，该公司的股票急下跌。

The plummeting cost of technology makes 3MAG possible.

技术成本的急下降使3MAG的开展成为可能。

A sharp decline in the number coming is visible.

在不久的将来，这个数字的急下降是肉眼可见的。

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

对活人士来说，它们是致命袭击急增加的一个威胁。

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

而随着中午的临近，批准的数量急减少（如图所示），最终接近于0。

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

此外，海拔的急变化也必须考虑在内。

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上升，达到1417人。

And then there was an exterior with the glass, and a very substantial drop.

然后是在外部的玻璃上，以及一个非常急的降落。

With temperatures plunging like that, hypothermia is a real risk.

在气温如此急下降的情况下，受困人员面临着严重的失温症威胁。

But after the civil war, the city's fortunes would dramatically reverse.

但内战结束后，这座城市的命运急逆转。

The number of elephants as we've reported has dropped drastically, in part because of poaching.

我们此前报道过，大象数量急减少的部分原因是偷猎。

Other animals that depend on humans, from rats to cockroaches, will suffer drastic population declines.

其他依靠人类生存的物，从老鼠到蟑螂，都将面临数量急下降的危险。