短语词组短语term newborn infant 释义足月婴儿term delivery infant 足月儿full -term infant 足月儿normal term infant 足月儿;正常足月儿;正常足月新生儿post -term infant 期产儿;过期产活婴;过熟儿near -term infant 近足月儿per -term infant 早产儿pre -term infant 早产儿 返回 term infant