It dropped precipitously in the '90s and through the 2000s.

从90年代到本世纪初，犯罪率大幅下降。

Broader stockmarket indices fell, but not precipitously.

更广泛的股市指数下降，但并非陡然下跌。

And above that, it decreases precipitously.

若高于此数值，存活率会急剧下降。

The cost of both producing and reading DNA is falling precipitously.

产生和读取DNA的成本都在急剧下降。

But rosewood stocks have fallen precipitously in recent years as illegal logging has run rampant.

但近年来由于非法砍伐极度猖獗，导致紫檀木数量锐减。

And if we left precipitously right now, I do not believe they would be able to successfully defend their country.

如果我们现在突然撤军，我认为他们不能成功地保卫自已的国家。

This gap would probably widen precipitously in the event of a default.

如果发生违约，这种差距可能会急剧扩大。

He spent the next five days here, with his situation deteriorating precipitously.

接下来的五天里，他的处境急剧恶化。

As Lenin’s health declined precipitously in the early 1920s thoughts inevitably turned

20 世纪 20 年代初，随着列宁的健康状况急剧恶化，人们的思想不可避免地发生了转变。

Then, in April, as Russia turned from Kyiv to the Donbas, the volume of wiper attacks dropped precipitously.

然后，在 4 月，随着俄罗斯从基辅转向顿巴斯，雨刮器攻击的数量急剧下降。