At its most basic level, life is what replicates itself — but how did it begin?

在生命的最初级阶段，它不过是在自我复制——但这是如何开始的？

youdao

By 2005, with GDP averaging about 25 per cent above its early 1990s level, life satisfaction was typically back to its earlier level, but was arguably still below pre-transition values.

2005年，在GDP比上世纪90年代初期平均高出25%的情况下，生活满意度却仅仅回复到其转型初期的水平，很可能仍低于转型前的水平。

youdao

ObjectiveTo Study whether ORMDL3 expression level, life-style and indoor air quality were associated with childhood asthma in Beijing, China.

目的研究北京地区儿童ORMDL3基因表达水平、生活方式、室内空气质量与哮喘发生的相关性。

youdao

They answered questions about their level of physical activity as teenagers and at age thirty, fifty and late in life.

VOA: special.2010.07.07

This is an unfortunate thing you see throughout education frankly, certainly at the secondary and primary school level where you just insert technology into the classroom and expect to solve problems, that is not in life always the case.

遗憾的是,中小学教育中,就是讲知识然后运用所学的知识解决问题,但是实际生活中不总是这样。

哈佛公开课 - 计算机科学课程节选

It had established Athens as a mighty and redoubtable naval power and it created an unprecedented level of artistic and cultural life even today known simply as Periclean Athens.

建立了雅典强大且令人敬畏的海军强权,而且催生了史无前例的,璀璨艺术与文化生活,甚至今日仍以伯里克利斯的雅典闻名。

耶鲁公开课 - 政治哲学导论课程节选

"We believe there is water still embedded in the planet and maybe some creatures which might be at a certain level of life, " Fournier-Sicre said.

CNN: Mars Express leads interplanetary pack

And my hope is, is that as a consequence you start seeing discussions not just at the presidential level, but at every level of life.

WHITEHOUSE: THE WHITE HOUSE

They earn money to buy a their desired level of life style and economic security and they continue to work hard until they perceive that they have achieved their objective.

FORBES: How I Know Higher Taxes Would Be Good For The Economy