音标：['si:njә]
n. 年长者, 资深者, 毕业班学生
a. 年长的, 高级的, 资深的
【经】 高级的, 主要的
在线英汉词典

senior的短语、例句：

senior adj 1 ~ (to sb) (a) older 较年长的
He is ten years senior to me. 他比我大十岁. (b) higher in rank, authority, etc （级别、 权位等）较高的
There are separate rooms for senior and junior officers. 高级军官和下级军官的房间是分著的.
He is the senior partner in (ie the head of) the firm. 他是公司的老板. (c) having been in a job, etc longer （做某工作等）年资较深的
She is senior to me, since she joined the firm before me. 她比我资格老, 因为她加入公司比我早.2 (often 常作 Senior, abbr 缩写 Sen) (placed immediately after sb´s name 置於姓名之後) being the parent of sb with the same name （父或母与子女同名情况下的）父或母
John Brown Senior 老约翰?布朗. 3 [attrib 作定语] (of a school) for children over the age of 11 （指学校）高年级的（学生年龄在11岁以上的）. Cf 参看 junior. senior, n 1 senior person 较年长的人: She is my senior by two years/two years my senior, ie is two years older than me. 她比我大两岁. 2 member of a senior school 高年级学生
a football match between the juniors and the seniors 低年级学生和高年级学生之间的足球赛. 3 (US) student in the year before graduation from a high school or college （中学或大学的）毕业班的学生
[attrib 作定语] her senior year at college 她在大学毕业班那一年.