the details of a person's experience, education, family, etc. 经历；学历；出身背景◆The job would suit somebody with a publishing background. 这项工作适合有出版经验的人。
the circumstances or past events which help explain why sth is how it is; information about these （事件发展等的）背景◆Gather plenty of background information on the company before your interview. 你面试之前需充分收集有关公司的背景资料。
() the part of a computer where a program can continue to operate while the user is working with another program 後台（当用户使用另一个程序时，当前程序能继续运行的计算机部分）◆programs running in the background 在後台运行的程序