英语两个闹钟怎么说

In English, you can refer to two alarms as "two alarms." You could also say "two alarm clocks" if you want to specify that they are physical objects. Here are a few examples of how you might use these phrases in a sentence:
I set two alarms every morning to make sure I wake up on time.
I have two alarm clocks in my bedroom, one on my nightstand and one on the dresser.
I usually use my phone as an alarm, but I also have a backup alarm clock in case my phone dies or I can't hear it.