leading role

基本解释

These iron-rich cells are the most common type of blood cell and they play the leading role in transporting oxygen around the body.
这些富铁细胞是血细胞中最常见的类型，它们在给全身运输氧气的过程中起着主导作用。
Jones added that said the leading role played by the US, even though it was not hosting tomorrow's summit, was a sign of things to come.
琼斯补充说，对“虽然美国没有主持明日的峰会，但它起着主导作用”的说法，这是个未来将发生事情的趋向信号。
Britain must be prepared to embark on radical steps, such as the introduction of personal carbon trading, if it is to play a leading role in combating climate change.
英国必须为采取彻底的措施做准备，比如引入个人碳交易——假如它真的能在与气候变化的抗争中起到主导作用的话。

Nina struggles to perform the leading role in "Swan Lake" while dealing with a controlling mother, played by Barbara Hershey.
The government will have to play a leading role.
政府需要扮演主要角色。
普林斯顿公开课 - 国际座谈会课程节选
Mila Kunis co-stars as Lily, a dancer who is competing for the leading role in the ballet.

France, along with Britain, took a leading role in the NATO-led air campaign against Gadhafi's forces.
NPR: Car Bomb Targets French Embassy In Libya

主导作用
The government should play a leading role in theInformation Platform build.
政府在物业信息化平台的构建方面应该发挥主导作用。
带动作用
With the growing rise of the global service economy, the leading role of the services sector to the economy has become increasingly evident.
随着全球服务经济的日益兴起,服务业对经济的带动作用日趋明显。
法学
主导作用
Cities plays a leading role in our country’s socialist modernization.
城市在我国社会主义现代化建设中起着主导作用。
主导角色
However, a harmonious society is also a space concept, harmonious township is the focus of building a harmonious society in the vast rural areas,and township governmentl plays a leading role in it.
然而,和谐社会又是一个空间概念,和谐乡镇是我国广大农村地区和谐社会构建的重心所在,而乡镇政府在其中扮演主导角色。
机械工程
导向作用
It mainly focuses on fashion phenomenon as well as its leading role in decoration design.
文中主要研究流行现象及其规律对毛衫装饰设计的影响和导向作用。