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，土耳其在博斯普鲁斯海峡西侧的战略防区 – 亚洲进入欧洲的门户 – 是这场战斗的零地带。
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.
但是由于新的挖掘与地面几乎零距离，因此如果有的话，应该会发现最接近时间点的物种损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.
对于冷战期间诙谐幽默的人来说更愿意选择地面零点：他们冷嘲到，在第一个蘑菇云出现时就被烧死总比过后意识到全世界到处都有放射性物质要好。

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.
我假设你们什么都不知道,零起点,从头开始
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Well, the energy at infinity is zero -K and the energy in the ground state is minus K.
无限远处的能量值为,而基态能量值为。
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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