| 单词 | green run |
| 释义 | green rungreen rungreen rungreen runGreen RunGreen RunA secret US government experiment carried out in 1949 at the Hanford plutonium production facility in Washington state, in which radioactive fission products were deliberately released into the Columbia River to see if the radioactivity (5,500 to 12,000 curies/200 to 440 TBq) of 131I and 133Xe could be detected by US Air Force reconnaissance. |
| 随便看 |
|
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。