Leak--- light leaked in the film gan. 模拟胶片拍摄时的漏光效果。
Allowing light leaks to generate velvety black fields, he has successfully linked photography to ink on paper by means of carefully manipulated darkroom developing. 运用漏光来创造照片中天鹅绒般柔和的黑色区域，李刚成功地将摄影与水墨的意境通过精心细致的暗房技术结合在了一起。
Sound travels more slowly than light. 声比光传播得慢。
In short,nothing in the world moves faster than light. 总之，世界上没有任何东西比光传播得更快。
