The camera he 's using now is a twin-lens reflex one .
他正在使用的是双镜头反光镜相机。
But Ms. Sim never knew about much of his life until seven or eight years ago , when her mother showed her a photograph of him with a twin-lens reflex camera .
但是沈绮颖对他的生平知之甚少,直到七八年前,她妈妈把他的一张手拿双镜头照相机的照片给她看。