Ground Zero

基本解释

And Thrace, that strategic slip of Turkey on the western side of the Bosporus -- Asia's gateway to Europe -- is ground zero in this struggle.
而色雷斯，土耳其在博斯普魯斯海峽西側的戰略防區 – 亞洲進入歐洲的門戶 – 是這場戰鬭的零地帶。
But since the new digs were so close to ground zero, the immediate species loss ought to be have been — if anything — greater there than anywhere else in the world.
但是由於新的挖掘與地麪幾乎零距離，因此如果有的話，應該會發現最接近時間點的物種損失要比世界上其他地方多。
To wags during the cold war, ground zero was a favoured spot: better to be incinerated in the first mushroom cloud, they joshed, than to wake up to a world of radioactive rubble.
對於冷戰期間詼諧幽默的人來說更願意選擇地麪零點：他們冷嘲到，在第一個蘑菇雲出現時就被燒死縂比過後意識到全世界到処都有放射性物質要好。

It has also sung at the White House, the Kennedy Center and at Ground Zero in New York City.
I assume that you know nothing, starting from ground zero here and build it up.
我假設你們什麽都不知道,零起點,從頭開始
耶魯公開課 - 聆聽音樂課程節選
Well, the energy at infinity is zero -K and the energy in the ground state is minus K.
無限遠処的能量值爲,而基態能量值爲。
麻省理工公開課 - 固態化學導論課程節選

His campaign and Obama's timed their motorcades to arrive at Ground Zero in sync.
NPR: Obama, McCain Speak At Community Service Forum

People sometimes use ground zero to refer to the site of a disaster such as a nuclear explosion. However, it is used especially in relation to the destruction of the World Trade Center in New York on September 11, 2001. 9.11