She could not see herself in the role of ministering angel.

她想象不出自己成为一名救死扶伤的天使会是什么样。

《牛津词典》

I will discuss the role of diet in cancer prevention in Chapter 7.

我将在第7章详述饮食在癌症预防中的作用。

《柯林斯英汉双解大词典》

Another thread running through this series is the role of doctors in the treatment of the mentally ill.

贯穿这部连续剧的另一主线是医生们在心理疾病患者的治疗过程中的作用。

《柯林斯英汉双解大词典》

The magazine also holds a yearly skyscraper competition for the best ideas for redefining the role of skyscrapers.

VOA: special.2010.03.31

There have been fundamental changes through time that make the role of the central bank evolve and change through time.

试图保持系统的稳定,随着时间的发展，基本的改变发生,使得中央银行的角色演变。

耶鲁公开课 - 金融市场课程节选

I think the President takes the role of both the, as we would have Prime Minister and the Queen.

我想总统代替了我们的首相和女王。

政府和皇室的作用 - SpeakingMax英语口语达人

Sombart clearly was exaggerating, but the role of Jews in California was highly significant.

FORBES: California And The Jews

In 2015, we can expect the role of technology in the workplace to expand.

CNN: A New Year's resolution for the workplace

Situation of Literacy, Literacy Plans and the Potential role of NCHD, Provinces Punjab, Sindh and NWFP.

UNESCO: LIFE-Literacy Initiative for Empowerment