详细释义 · 难度约 B1（AI 估计）
adj.高级的；资深的
A senior person has a higher position or more responsibility than others in an organization.
She is a senior manager at the company.她是这家公司的高级经理。
adj.年长的
Senior people are older people.
The center offers free classes for senior citizens.该中心为老年人提供免费课程。
adj.毕业班的
If a student is in their senior year, they are in their final year of high school or university.
She applied to several universities during her senior year.她在毕业班那年申请了几所大学。
n.比某人年长的人
If someone is your senior by a number of years, they are that many years older than you.
My sister is three years my senior.我姐姐比我大三岁。
