Ground Zero

• n. "爆心投影点"组织(成立于华盛顿；宣传核爆炸的毁灭性)；归零地（世贸中心原址）

英英释义

Noun:

1. the target of a projectile (as a bomb or missile)

2. the site of the World Trade Center before it was destroyed

3. the point of detonation (or above or below) of a nuclear weapon