(n.) A picture taken on a plate of prepared glass, in which
the lights are represented in silver, and the shades are produced by a
dark background visible through the unsilvered portions of the glass.
手打:维吉尔
双语例句
A modification of the ambrotype, however, still survives in what is known as the tin-type or ferro-type. Edward W. Byrn.十九世纪发明进展.