Translation of oyster in Spanish

Lili was very nervous and feared that the entrance would be denied because she did not have any blank pages in the passport. The Visa office took our papers and pictures and handed them back five minutes later.
i am student in Zurich. i think that you can learn Spanish quickly. I also registered just a month ago in order to practice some Spanish. i hope i will improve my Spanish soon at this website. We can do it together?
We had decided to fly to Lima (instead of Buenos Aires, Argentina) and to visit Machu Picchu just a few weeks before leaving Europe.