leading role

常见例句

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
And Britain has played a leading role in helping to deliver an EU-wide oil embargo.
WHITEHOUSE: President Obama and Prime Minister Cameron Hold a Press Conference The White House