elder [ˈeldə(r)]

以下由轻松背单词网站提供

adj.年龄较大的，年长的；n.长者，长辈

an older person , especially one with a respected position in society

She has an elder brother. 她有一个哥哥。
He's the second child. He has an elder sister. 他排行老二，他有个姐姐。