英语词汇dunce's cap是什么意思，dunce's cap的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

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单词	dunce's cap
释义	US
随便看	vibrating type horn vibrating type regulator vibrating type viscometer vibrating wire transducer vibrating-reed meter vibrating-reed relay vibrating-type converter vibrating-wire transducer vibration vibration vibration vibration vibration ability vibration absorber vibration absorbing measure vibration amplitude vibration analyser vibration analysis vibration analyzer vibration band vibration compaction vibration compactor vibration curve vibration damper vibration damper pilot