This is your morning wake-up call.

这是你早上的闹铃。

麻省理工公开课 - 计算机科学及编程导论课程节选

For example, you could request a wake-up call in the morning.

比如你想要早晨的叫醒服务。

I'd like 课堂 - SpeakingMax英语口语达人

I'd like a wake-up call at 6:00 a.m., please.

我想要一个早晨6点的叫醒服务，谢谢。

I'd like 课堂 - SpeakingMax英语口语达人