callback

callback
noun
  1. (chiefly N. Amer.)an invitation to return for a second audition or interview
    (主北美)复试
  2. a telephone call made to return one that someone has received
    回电话
  3. [mass noun]a security feature used by some computer systems accessed by telephone, in which a user must log on from a previously registered phone number, to which the system then places a return call
    回叫(某些通过电话访问的计算机系统的安全设置,用户必须用预先注册的电话号码登录,然后系统再回电话接通)
英语宝典
考试词汇表