
callback
词源
源自英语 'call'(呼叫)和 'back'(回),组合表示“回电”或“回调”的意思。
noun
❶ 回调,指在计算机编程中,将函数作为参数传递给另一个函数,并在特定事件发生后执行该函数的过程。
“The API requires a callback function to handle the response.”
(该API需要一个回调函数来处理响应。)
“You can register a callback to be notified when the task is completed.”
(你可以注册一个回调函数,以便在任务完成时收到通知。)
❶ 回电,指某人回电话给之前联系过的人。
“I left a message, but I'm still waiting for his callback.”
(我留了言,但还在等他的回电。)
“The receptionist promised a callback within an hour.”
(前台承诺一小时内回电。)
verb
❶ 回电话,指给之前联系过的人打电话。
“He promised to callback after the meeting.”
(他承诺会议结束后回电话。)
“I'll callback as soon as I get more information.”
(我一有更多信息就会回电话。)
常见短语
callback function — 回调函数,编程中用于在特定事件发生后执行的函数。
“The callback function processes the data once it's received.”
(回调函数在接收到数据后对其进行处理。)
request a callback — 请求回电,通常用于客服或业务场景中,要求对方回电话。
“You can request a callback by filling out the form on our website.”
(您可以通过填写我们网站上的表格请求回电。)