What is ""پردهٔ خاموشی"" in American English and how to say it?

Persian

پردهٔ خاموشی

پردهٔ خاموشی-black out curtains.svg
American English

black out curtains

Learn the word in this minigame:

Example sentences

American EnglishHe can't sleep unless it's completely dark, so he has black out curtains over his bedroom windows.

How to say ""پردهٔ خاموشی"" in American English and in 45 More languages.