elderadj.年龄较大的；年长的n.长者；长辈；[植]接骨木Elder primipara高龄初产妇Elder apartment老年公寓Eldery Patients老年人elder statesmann.(仍有影响力的)政界元老elder age group老年群体elder flower oil接骨木花油Elder population老年人口elder generation先辈Elder Psychology老年人心理elder of the two两个人中年纪大的那位