N-COUNT (拍摄电影时用以确保声像同步的)拍板,响板,场记板 A
clapperboard consists of two pieces of wood that are connected by a hinge and hit together before each scene when making a film, to make it easier to match the sound and pictures of different scenes.
(拍摄电影时用以确保声像同步的)拍板,响板,场记板 [British] in AM, use 美国英语用 clapboard
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