Iran's primary nuclear enrichment facility in Natanz has continued to operate since 2007, despite sanctions by UN Security Council.

VOA: standard.2009.10.24

Enzymes work best, enzymes are proteins that catalyze chemical reactions and our bodies operate by elaborate networks of chemical reactions, When we're off from that temperature then they don't work properly.

举酶这个例子再好不过,酶是一种具有催化作用的蛋白质,人体依靠精密复杂的化学反应网络来运转,如果我们体温与之相差较大,这些酶就不能正常工作

耶鲁公开课 - 生物医学工程探索课程节选

Translation occurs by a special kind of polymerization where these transfer RNA's operate by Watson-Crick base pairing.

翻译过程是一种特殊的聚合过程,当tRNA按照,沃森克里克碱基互补配对原则进行配对

耶鲁公开课 - 生物医学工程探索课程节选

He says consumers have the power to end labor exploitation by buying responsibly and by pressuring businesses and retailers to operate in an ethical manner.

VOA: standard.2009.10.19

The Federal Reserve Banks are owned not by the government but by the banks in the region where they operate; they're called member banks.

联邦储备银行并不是,被政府所有的,而是被它们运行所在的区域内的银行所有；,它们被称为联邦储备银行的会员银行。

耶鲁公开课 - 金融市场课程节选

And the group experiment suggests that the extent to which these moral feelings operate are partially determined by the groups to which we belong to.

群体实验表明,这些道德情感的深浅,部份取决于我们所属的群体。

耶鲁公开课 - 心理学导论课程节选