key figure

基本解釋

Bohr’s model would win him the 1922 Nobel Prize, but its limitations inspired the search for a purely quantum physics. A key figure in this investigation was Werner Heisenberg.
波爾的模型會(huì)為他贏取1922年諾貝爾獎(jiǎng)，但其局限激發(fā)了對(duì)純粹量子物理學(xué)的探索，做這項(xiàng)研究的一個(gè)關(guān)鍵人物就是維爾納·海森堡。
The ambitious project enjoys the backing of one key figure: President Nicolas Sarkozy whose government is digging deep into its pockets to make the dream of a world-class university a reality.
這個(gè)雄心勃勃的項(xiàng)目得到了一個(gè)關(guān)鍵人物的支持：法國(guó)總統(tǒng)薩科齊。他領(lǐng)導(dǎo)的政府正不惜斥巨資，以讓法國(guó)擁有一所世界頂級(jí)大學(xué)的夢(mèng)想成為現(xiàn)實(shí)。
edu.sina.com.cn
Why is that a key figure?
為什么這個(gè)數(shù)字非常關(guān)鍵？

Homeland Security Secretary Janet Napolitano, a key figure behind this week's aid package, will visit Mexico early next month along with U.S.
One well-respected figure says the key is bringing more minorities into the profession.
Republican political strategist Terry Nelson agrees that Pelosi was the key to passing health care reform, but points out that she is a polarizing figure for many conservatives.

And who is the biggest car dealer of them all and a key figure in Avtovaz?
FORBES: Godfather of the Kremlin?