Because it just is
subterminal
In Spanish "boca" means mouth and "raton" means rat. In actuality the phrase would have to be "boca de el raton," or "mouth of the rat" (rat's mouth) in order to be correct.
mouth and teeth
Spanish for "Rat's Mouth"
Put your rat's FAVORITE treat in your mouth. Then if your rat trys to take the treat from your mouth then don't let go of the treat. When your rat licks the treat give it to him/her. Do this many times until your rat gets the idea. Then sometimes your rat might lick your mouth in hopes of a treat. (This will not work with wild rats. Wild rats will most likely bite you. If they bite you then you could get infected by a desees that a wild rat might carry.)
The decibel level of a rat depends on the measurig distance to the rat. The closer you are to the mouth of the rat the louder the noise you can measure will be.
the toungue
Spanish for "Rat's Mouth"
Like human, the chemical digestion of food begins in the mouth of the rat.
That would be referred to as a 'nest'.
raton means rat Boca Raton, means the mouth of a rat.
molars and incisors