junior作形容词意为：年轻人的、下级的.。作名词意为年少者、地位较低者。
例句：
She's his junior by four years.
她比他小四岁。
He dropped out of junior high school.
他初中辍学了。
Junior nurses usually work alongside more senior nurses.
初级护士通常和较高级的护士一起工作。
Our junior employees are being groomed for more senior roles.
我们的初级雇员正在接受培训以承担更重要的职责。