At the heart of women's changed role in society has been the rise in the number of women at work, particularly married women.

女性社会角色变化的核心是在职女性数量的增加，尤其是已婚女性。

youdao

Avoiding and then adjusting for any such bias, however, is at the heart of the work of the Oxford cancer epidemiology unit.

然而，避免和调整诸如此类的偏见是牛津大学癌症流行病学部门的工作核心。

youdao

Sure, your heart will have to work at a higher heart rate for awhile when you run, which is good for heart health, but if your goal is calorie loss, it doesn't matter which one you do.

当然，你跑一英里的话，心跳会更快，这对你的心脏健康是有好处的。但是，如果你的目标只是单纯的想燃脂的话，无论是跑步或是走路都是可以的。

youdao

Social issues were at the heart of Edward Kennedy's work.

VOA: special.2009.08.29

So I'm partially going to retract what I had said about the Lady's place at the very heart of this work.

所以我要部分收回,我之前说的关于小姐在这个作品中的核心地位。

耶鲁公开课 - 弥尔顿课程节选

The Lady is at the dogmatic heart of this relentlessly didactic work of literature.

这个夫人就是文学教条主义,不懈的说教工作的核心。

耶鲁公开课 - 弥尔顿课程节选

And that coupling of realism and idealism, which has always represented what is best in American foreign policy, that was at the heart of his work in Bosnia, where he negotiated and cajoled and threatened all at once, until peace was the only outcome possible.

WHITEHOUSE: Remembering Richard Holbrooke

Social and moral dilemmas lie at the heart of their work, often emphasized with a heavy hand.

NPR: Intersections: In the Footsteps of Charles Dickens

Those various elements of cultural heritage are at the heart of the inventory work undertaken as part of Phase III of the project.

UNESCO: Detailview | United Nations Educational, Scientific and Cultural Organization