ground zero
短语n. 开始; 起点; 爆心投影点
发音
UK
/ˌɡɹaʊnd ˈzɪəɹəʊ/
US
/ˌɡɹaʊnd ˈzɪɚ(ˌ)oʊ/
US
/-ˈzi(ˌ)ɹoʊ/
词形变化
ground zeroes
复数
别名
ground-zero
释义与例句
n.
-
1.
Originally, the point on the land or water surface below which a nuclear bomb detonates in the air; now also the point on such a surface at or above the detonation.
爆心投影点
原爆点
可数 不可数 -
2.
The location of any disaster or violent assault.
可数 不可数 引申义 -
3.
The point at which something begins.
可数 比喻 不可数
词汇关系
词源
From ground + zero, first attested in a June 1946 a report by the United States Strategic Bombing Survey on the atomic bombing of Hiroshima and Nagasaki, Japan, on August 6 and 9, 1945, during World War II. “Zero” was used as the code name for the location of the Trinity atomic bomb test – the first detonation of a nuclear weapon – in New Mexico, USA, on July 16, 1945.
来源：wiktionary