学姐的英文：
senior
adj. 较年长的；较高的；资历较深的
n. 较年长的人；高年级学生；上司
He is senior to me.
他的职位比我高。
The interests of seniors tend to be . . . varied
老年人的兴趣倾向于…多彩的。
Senior prom, do you have the fever?
毕业生舞会，你有兴趣吗？
Seniors and moms flocked to their booth.
老年人和母亲们蜂拥来到他们的摊位。
There are separate rooms for senior and junior officers.
高级军官和下级军官的房间是分着的.