"Couvrez la fenêtre" means "Cover the window" in French.
Here's a breakdown of the phrase:
* "Couvrez" is the imperative form of the verb "couvrir," which means "to cover."
* "la" is the definite article, meaning "the."
* "fenêtre" is the noun "window."
Therefore, the phrase "couvrez la fenêtre" instructs someone to cover the window.