Translation of Meeresbiologie

For example, if I am working very early in the morning, let's say 06.00 (that would be 09.00 your time), I don't notice it much. But 9 hours later, the system slows down, because people in Europe get online.
There are many mountains and lakes in our district in the central Switzerland. I'm married and we have a son named Joe, he is 2 years old. I have worked as an engineer at the Swiss Federal Railways.
Thanks for the connection request. What is your name and why do you want to learn Spanish? I'm flying to Mexico in August. There I want to study Spanish and learn ... Either in Mexico DF or in Cancun.