人口学

人的英语翻译：

human; fellow; human being; individual; man; people; person; soul
【医】 anthropo-; homme; man

口的英语翻译：

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

学的英语翻译：

imitate; knowledge; learn; mimic; school; study; subject of study