Unit 2We weren't very rich, but we were happy.1. My sister was the eldest child and she left school whenshe was only 12 to help my mother at home.我姐姐是家里最大的孩子,她 12 岁的时候辍学在家帮妈妈做事。【要点指津】eldest 为形容词 old 的最高级形式,意为“年龄最大的”。辨析 elder, eldest与older, oldest (1)elder 与eldest 主要用于家人之间表明长幼关系,通常只用于人而不用于物,只用作定语而不用作表语(作名词时可用作表语,此时通常有冠词或物主代词修饰),也不与than连用。..