单词	addendum circle
释义	addendum circle noun : a circle touching the outermost points of the teeth of a circular gear wheel see pitch line Word History First Known Use 1870, in the meaning defined above
随便看	tap-in tap-off tap-tap tapa Tapachula tapachulas tapachultec tapachultecs tapacolo tapacolos tapaculo tapaculos tapadera tapaderas tapadero tapaderos Tapajos tapajoz tapalos tapas tapdanced tapdancers tapdances tapdancing tape

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