| 释义 |
ground zeroBrE /ˌɡraʊnd ˈzɪərəʊ/ NAmE /ˌɡraʊnd ˈzɪroʊ/ , /ˌɡraʊnd ˈziːroʊ/ noun [U ]the point on the earth's surface where a nuclear bomb explodes （核弹的）爆心投影点Ground Zero the site of the Twin Towers in New York , destroyed on 11 September 2001 归零地（2001 年 9 月 11 日炸毁的纽约双子大楼遗址）the beginning ; a starting point for an activity 开始；起点 |