ground zero
n.
1946, originally with reference to atomic blasts. In reference to the Sept. 11, 2001, terrorist attack on New York, it was in use by Sept. 13.
| 词汇 | ground zero |
| 词根词缀 | Online Etymology Dictionary ground zero n. 1946, originally with reference to atomic blasts. In reference to the Sept. 11, 2001, terrorist attack on New York, it was in use by Sept. 13. |
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