The rain drummed against the tin roof of the prefabricated laboratory at Great Baddow in Essex, where I was working as a Navy scientist attached to the Marconi Company.

• 雨点落在埃塞克斯郡大巴多的、用预制构件盖成的实验室的铁皮屋顶上，发出咚咚的响声。当时我做为一名海军科学家，配属于马克尼公司，正在那个实验室工作。