In his latest study, this anatomical evidence allowed Trinkaus to date the origin of shoes to a period long before the oldest known shoe remains.

在他的最新研究中，这一解剖学的证据，使得Trinkaus将鞋的起源时间确定为一个比之前我们知道的更早得多的时期。

youdao

Smoking a lot of cigarettes can harm and even kill over a long period of time.

长期大量吸烟会危害身体健康，甚至导致死亡。

youdao

Contemporary dance is coming onto the arts scene again after a long fallow period.

当代舞蹈经过一段长时期销声匿迹以后现在又回到了艺术舞台。

《牛津词典》

There aren't very many examples of names which are equally popular for both boys and girls for a really long period."

VOA: special.2009.07.06

And obviously within this long period many many different ideas and perspectives were involved within each side of conflict.

很明显，很久了,非常多的不同的观点和看法,出现在冲突的双方之中。

普林斯顿公开课 - 人性课程节选

Clearly, important information is to be conveyed to students from people who settle in the fields for a long period of time.

显然，对某个领域,进行长时间研究的学者,会将重要的信息,传达给学生。

麻省理工公开课 - 媒体、教育、市场课程节选

Mr. O'CONNOR: The ICP technology involves drilling holes--vertical holes into the ground and inserting long electric heaters, which then gradually heat the rock over a long period of time, and over a long period of time--by that, I mean two or three or more years.

NPR: Industry Seeks to Extract Oil from Rocky Mountain Shale

The apartheid government over a long period of time and the atrocities being documented over a long period of time caused many around the world to call for divestment in South Africa, the imprisonment of Nelson Mandela, et cetera.

NPR: Activists Host Darfur Observance Day in L.A.

The basic point is that although there are powerful arguments for awarding longer term contracts, so that the successful bidder has an incentive to spend serious money on the best kit, a healthy scepticism needs to be attached to forecasts of the health of the economy and of the relevant public service over a time period as long as three parliaments.

BBC: What derailed the Transport Department