单词	crotala
释义	crotala plural noun cro·​ta·​la ˈkrō-tə-lə  variants or less commonly krotala : a percussion instrument of ancient Greece and Rome resembling a pair of clappers or castanets called also crotal, crotalum Word History First Known Use 1683, in the meaning defined above
随便看	at the crack of dawn at the discretion of at the discretion of someone at the door at the double at the drop of a hat at the earliest at the end of one's patience at the end of the day at the expense of at the first opportunity at the first sign at the forefront at the hand of at the hands of at the head of at the height of at the helm at the invitation of at the least at the longest at the mercy of at the minimum at the moment at the most

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