Searchlights have recently been made capable of being seen nearly a hundred miles away. 佚名.神奇的知识之书.
The Commission wasn't afraid of details: didn't it recommend searchlights in the parks as a weapon against vice? 沃尔特·李普曼.政治序论.
The illustration shows a battery of powerful searchlights, the use of which furnished some very effective displays during the Panama-Pacific Exposition at San Francisco in 1915. 佚名.神奇的知识之书.