joissa

joissa

"Joissa" means "in which" or "in those" in English.

In this sentence, 'joissa' is used as a relative pronoun to indicate 'in which' referring to 'taloista' (houses).

Pidän taloista, joissa on punaiset katot.

I like houses that have red roofs.

Here, 'joissa' connects 'kirjoja' (books) with the descriptive clause 'on kauniit kuvitukset' (have beautiful illustrations), implying the idea of 'in which'.

Ostin kirjoja, joissa on kauniit kuvitukset.

I bought books that have beautiful illustrations.

In this example, 'joissa' refers to 'koulut' (schools) and the action 'opiskelimme' (we studied), functioning as 'where' or 'in which.'

Koulut, joissa opiskelimme, ovat nyt suljettuja.

The schools where we studied are now closed.