By 1942, however, we knew the Germans were working feverishly to find a way to add atomic energy to other engines of war with which they hoped to enslave the world, but they failed.

• 然而到1942年，我们获知德国人正在疯狂寻找将原子能加入战争机器的方法，以期奴役世界，但他们失败了。