Crude Petroleum is the ancient source of energy.

原油是一种广泛使用的古代能源。

youdao

Your paper should display a close knowledge of the ancient source(s) on which your argument rests: knowledge both of the details of relevant passages as well as of the work as a whole.

论文要表现出你十分熟悉论点依据的古代资料：熟悉相关段落的细节以及整部作品。

youdao

Now, another manlike species has been described using more traditional evidence, from a more traditional source of ancient human remains: Africa.

现今，在更为古老的古人类遗骸发源地——非洲，又用更为传统的证据对另一类人物种进行了描述。

youdao

There's ancient evidence, there's an ancient source for that, that says that's what happened and that's one of the things that we have to deal with.

这里有古老的证据,有一份古代的资料表明,事情就是这样发生的,这也是我们要处理的问题之一

耶鲁公开课 - 古希腊历史简介课程节选

The source of the word, Pygmalion is ancient Greece.

Pygmalion“是古希腊语。

哈佛公开课 - 幸福课课程节选

This was the moment when the buildings and artifacts of ancient Greece and Rome were being rediscovered as a source of artistic inspiration, initiating what we know as the Renaissance, which also changed everything forever.

WSJ: Palladio & His Legacy, at the Morgan Library & Museum | By Ada Louise Huxtable