英语词汇“clapperboard”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	clapperboard
释义	clapperboard n. Cinematog. a device of hinged boards struck together to synchronize the starting of picture and sound machinery in filming.
随便看	ultramarine ultramicroscope ultramicroscopic ultramontane ultramundane ultrasonic ultrasonics ultrasound ultrastructure ultraviolet ultra vires ululate -um um umbel umbellifer umber umbilical umbilicate umbilicus umbles umbo umbra umbrage umbrella

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