piece of bread
The Spanish phrase 'trozo de pan' translates to 'piece of bread' in English. The word 'trozo' means 'piece', 'de' is a preposition that is similar to 'of' in English and 'pan' translates to 'bread'. So when combined, 'trozo de pan' denotes a portion or slice of bread.
Can I have a piece of bread, please?
This sentence is used to politely ask for a piece of bread in a setting like a restaurant or a family dinner. Using 'por favor' at the end of the sentence makes the request more polite.
The piece of bread you left is on the table.
This sentence indicates that someone had left a piece of bread and it is currently on the table. The speaker is presumably informing the other person of this fact.
A piece of bread with butter is my favorite breakfast.
This sentence expresses the speaker's preference for breakfast, which is a piece of bread with butter. This sentence could be used in a casual conversation about personal preferences.