It will never be known how and when this numeration ability developed, but it is certain that numeration was well developed by the time humans had formed even semi-permanent settlements.

我们永远也不会知道这种计算能力是何时、如何发展起来的，但可以肯定的是，在人类形成半永久定居点的时候，这种计数法已经发展得很好了。

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Their bodies were well developed and super fit.

他们的身体发育良好，极其健康。

《柯林斯英汉双解大词典》

We have a well developed transportation system.

我们有一个很发达的交通系统。

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All the storytellers must receive training from a SpeakeasyDC teacher to make sure their stories are well developed with interesting details.

VOA: special.2009.03.27

So biomedical engineers have been working for many years on how to design replacement parts for joints like the hip: the artificial hip is the most well developed of those.

因此,生物医学工程师花了很多年时间,致力于设计像髋关节这样的关节替代品,尤以人工髋关节的研究最为成熟

耶鲁公开课 - 生物医学工程探索课程节选

I think that's because there's a growing recognition that that's what you need to know and that the countries that are emerging successfully are those that have well developed financial institutions that are adopting the technology.

我认为这是因为在那里越来越多人认识到,这才是他们所急需的知识,并且那些成功崛起的国家,都拥有完善的金融机构,并且能够应用这些技术

耶鲁公开课 - 金融市场课程节选

In some places, especially Silicon Valley, there is a fairly well developed network of such individuals.

FORBES: On greed and angels

"Jeddah is not as well developed as Riyadh, " Alwaleed said in an interview with Forbes.

FORBES: Magazine Article

We used to have regional stock markets and rather well developed networks of investors.

FORBES: Small Business Funding: the Internet to the Rescue?