闹钟在桌子上用英文怎么说

"Alarm clock" 是指闹钟在英语中的说法。它来源于拉丁语 "alarma"，意思是警报。

例句：

Can you turn off the alarm clock? (你能关掉闹钟吗？)
I always set my alarm clock for 6:00am. (我总是早上6点设置闹钟。)
I overslept because my alarm clock didn't go off. (我睡过头了，因为我的闹钟没响。)