单词	preecho
释义	preecho noun pre·​echo (ˈ)prē+ : an echo in a sound recording (as a phonograph record) that is mechanically induced by a manufacturing fault and is heard before the sound causing it when the recording is played Word History Etymology pre- + echo
随便看	o'io O'Keefe O'Keeffe O'Kelly O'Leary O'Neal O'Neill O'odham o'odhams o's o-be-joyful o-grade o-o-a-a O-ring O-type star o.g. o.g.'s o.g.s OA OAA oaf oafish oafisher oafishest oafishlier

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