人的英語翻譯：

human; fellow; human being; individual; man; people; person; soul
【醫(yī)】 anthropo-; homme; man

口的英語翻譯：

cut; gob; jaws; mouth; opening; ostium; scoop; stoma
【醫(yī)】 aditus; apertura; aperturae; aperture; bouche; introitus; meatus; mouth
opening; ora; orifice; orificium; oro-; os1; ostia; ostium; portal
stoma; stomata; stomato-; trema

密度的英語翻譯：

density; thickness
【化】 density
【醫(yī)】 density