Translation of injection in Spanish

Hi,I'd like to ask you if it's possible for you to tell me briefly how to study here. I don't know that's why I'm not online most of the time. Thank you very much for choosing me as a friend. I hope our friendship can get better so we can practice.
We joined the mass and climbed it. The stones were a little slippery and I doubt that this place is accident free. Climbing big slippery stones was not an easy task but we managed it slowly.
We took a very relaxing breakfast and made laundry - by the way the cloths dried within 30 minutes as the humidity was as low as 10% or so and the sun extremely strong at this altitude.