单词	tracing wheel
释义	tracing wheel noun : a usually toothed wheel with a handle that is used on tracing paper to trace a pattern Word History First Known Use circa 1891, in the meaning defined above
随便看	copunctal copurified copurifies copurifying copy copy and paste copy cutter copy down copy down/out copy edit copy editor copy machine copy number copy out copy paper copyable copyboard copybook copybooks copyboy copyboys copycat copycats copycatted copycatting

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