clapperboards

美 ['klæpər.bɔrd] 　英 ['klæpə(r).bɔː(r)d]

词形变化

英汉解释

n.	1. a pair of hinged boards filmed at the start of each take in a movie and clapped together to help to synchronize the soundtrack with the movie 2. a board consisting of two parts that are hit together before making part of a film, to make sure that the sound and picture happen at the same time

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