Nuclear testing at the Nevada Test Site began with a bomb dropped on Frenchman Flat on 27 January 1951 .
This bomb was dropped on Frenchman Flat on January 27 , 1951 .
This bomb was dropped on Frenchman Flat on January 27 , 1951 .
让句子变得简单: Nuclear testing at the Nevada Test Site began with a bomb dropped on Frenchman Flat on 27 January 1951 . 输出: