单词	语言声
释义	语言声speech sound
随便看	mechanicalnesses mechanical network mechanical neutral axis mechanical neutron velocity mechanical noise mechanical null mechanical octane mechanical ohm mechanical oil valve mechanical-operated cell mechanical-operated cell{=moc} mechanical operating valve mechanical operation mechanism mechanical operations mechanical-optical comparator mechanical organ mechanical organization mechanical orienting tool mechanical origin mechanical oscillation mechanical oscillator mechanical oscillograph mechanical output mechanical overload mechanical overload capacity