key figure

基本解释

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.
波爾的模型會爲他贏取1922年諾貝爾獎，但其侷限激發了對純粹量子物理學的探索，做這項研究的一個關鍵人物就是維爾納·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.
這個雄心勃勃的項目得到了一個關鍵人物的支持：法國縂統薩科齊。他領導的政府正不惜斥巨資，以讓法國擁有一所世界頂級大學的夢想成爲現實。
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Why is that a key figure?
爲什麽這個數字非常關鍵？

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?