Sinkholes are usually a naturally occuring event.

天坑通常一起然发生的事件。

Rupture can happen spontaneously but more frequently it happens after sexual intercourse.

囊肿破裂然发生，但更常见于性交后。

No, like I said, I'm all natural.

不 就像我说的 然发生的。

I think for some of us, it's a natural occurrence.

我认为对我们中的一些人来说，这然发生的。

Wildfires can occur naturally but many of them are started by accidents or by carelessness.

野火以然发生，但许多由事故或粗心引起的。

We know what's going on and we're not blindsided by a natural avalanche.

我们知道发生了什么，不会把它和然发生的雪崩混淆。

Sometimes this happens naturally at night, causing mist and dew to form.

有时，夜间会然发生这种情况，造成雾和露水的形成。

Now, Red rain can be troubling, but at least it's natural.

现在，红会很麻烦，但至少它然发生的。

Have you thought of that? Perhaps he recovered naturally.

您想过这个吗？也许他的痊愈然发生的。

With GPT-4o this all happens natively.

对于 GPT-4o，这一切然发生的。

Smaller fires used to happen naturally which thinned out the forests.

过去，较小的火灾通常然发生的，这会使森林变得稀疏。

There are certain things in life that just have to happen when they happen.

生命中的事情，该发生时然会发生。

But although it happens naturally, one scientist was credited with discovering electricity.

虽然它然发生的，但人们认为一位科学家发现了电。

CRISPR's creators adapted the tool from a naturally occurring bacterial defense system.

CRISPR的发明者从一种然发生的细菌防御系统中改造了这种基因编辑工具。

HOW this change (which is stupidly well supported by evidence) could have occurred naturally.

对这种变化如何然发生的解释（这种变化得到了证据的有力支持）。

Sparrow told The Associated Press that such heat waves are weather events than can happen naturally.

斯派洛告诉美联社，这种热浪一种然发生的天气现象。

Bioluminescence, the emission of light by an organism, occurs naturally in some animals and microorganisms.

“生物光”——它生物体发出的光，在某些动物和微生物中会然发生。

" Although they are natural occurrences, they are still sad and difficult for those helping."

“虽然这然发生的事情，但对于那些帮助它们的人来说，他们仍然很难过，也很艰难。”

Both are examples of small changes in English which have happened naturally over the last decade or two.

这俩英语在过去一二十年间然发生的微小变化的例子。

To let something unfold means to permit it to happen naturally.

To let something unfold意味着允许它然地发生。