基本解释（用于男子名后，指家庭中有相同名字的两个人中的年长者）老，大（senior的缩写）。同根派生 Sr.相关词英英字典剑桥英英字典 written abbreviation for senior adjective(OLDER) , used after a man's name to refer to the older of two people in the same family who have the same nameSr.剑桥字典Sr.柯林斯字典