play the leading role

基本解釋

These iron-rich cells are the most common type of blood cell and they play the leading role in transporting oxygen around the body.
這些富鐵細胞是血細胞中最常見的類型，它們在給全身運輸氧氣的過程中起著主導作用。
While alternative financing sources are important, the GDF notes that "industrialized country governments continue to play the leading role in mobilizing finance."
盡管替代性融資來源很重要，但《全球發(fā)展金融》注意到，"工業(yè)化國家的政府繼續(xù)在動員資金方面發(fā)揮主導作用。"
My mother, two sisters and I went to Huntsville, the closest town with a selection of bridal shops, to buy the gown that would play the leading role on my special occasion.
我和母親，連同兩個姐姐前往最近的城市漢斯維爾的一些新娘服裝店去挑選結(jié)婚禮服-這可是婚禮中至關(guān)重要的一個環(huán)節(jié)。

The government will have to play a leading role.
政府需要扮演主要角色。
普林斯頓公開課 - 國際座談會課程節(jié)選

We do know that Depardieu has agreed to play the leading role in a film about Dominique Strauss-Kahn.
NEWYORKER: L’étranger
What this plan recognizes is that while the federal government can play a leading role in encouraging the reforms and high standards we need, the impetus for that change will come from states, and from local schools and school districts.
WHITEHOUSE: Weekly Address: Education for a More Competitive America & Better Future The White House