试镜头 Traditional form: 試鏡頭 Pinyin (reading): shìjìngtóu Definitions: screen test Characters: 试 - to try, to experiment; exam, test 镜 - mirror, glass; lens, glasses 头 - head; chief, boss; first, top Traditional characters: 試 - to try, to experiment; exam, test 鏡 - mirror, glass; lens, glasses 頭 - head; chief, boss; first, top