YOU SAID:

the United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on August 6 and 9, 1945, respectively.

INTO JAPANESE

米国は1945年8月6日と9日に広島と長崎の日本の都市でそれぞれ2つの核兵器を爆発させた。

BACK INTO ENGLISH

The United States exploded two nuclear weapons in Hiroshima and Nagasaki's cities in Japan on August 6 and 9, 1945, respectively.