It mean "I am cold in the library because they open the windows."
This sentence means "I am cold in the library because they open the windows." It implies that the speaker is feeling cold because the windows in the library are open.
The verb "to open" in Spanish is "abrir." Therefore: I open - abro you open - abres he/she/it opens - abre we open - abremos you (plural) open - abrís they open - abren
Blooming en español se traduce como "florecimiento" o "floración". Se refiere al proceso en el que las flores de una planta se abren y se desarrollan.
A qué hora abren (la tienda) - (the store) In Spanish you need to designate what you mean by "open" by adding "the store", the Restaurant, the house, the bar, whatever!