TO GET A TRANSLATION OF ANY WORD (in spanish) FOUND ON THE SITE, simply:
Double-click on spanish words and translations will appear in a popup...
To translate two or three words at the same time (for example : "eat your fill" in English), underline the words with your mouse, and press CONTROL and ENTER at the same time.
Here we are!
DOUBLE-CLICK ON THE WORDS YOU DON'T UNDERSTAND!