mouse
The Italian word for mouse is 'topo'. It is a common word used to refer to the small rodent that is often found in homes and fields. In Italian, 'topo' is a masculine noun and it is used in the singular form when referring to one mouse and in the plural form, 'topi', when referring to more than one mouse.
The mouse ate the cheese.
This is a simple sentence which demonstrates the use of 'topo' (mouse) as a subject of a sentence. 'ha mangiato' is the third person singular conjugation of the verb 'mangiare' (to eat), and 'il formaggio' is the direct object.
I'm going to buy a mousetrap.
In this sentence, 'topo' is used in the plural form ('topi'), indicating more than one mouse. The sentence demonstrates the use of 'per topi' (for mice) to specify what the trap is for, just as you would use 'for mice' in English.
There's a mouse in my house.
'C'è un topo in casa mia' is a simple declarative sentence used to express the presence of a mouse in my house. Just like in English, 'casa mia' (my house) to indicate possession or belonging.