them
In Italian, 'loro' is used as a direct or indirect object pronoun to replace 'they' or 'them' in a sentence. It is used when referring to people or things in the third person plural. For example, 'I see them' would be translated as 'Li vedo' or 'Le vedo' (depending on the gender of the object) and 'I give it to them' would be translated as 'Glielo do'.
They eat pizza
This sentence demonstrates a basic use of 'loro' (they) in a sentence. Despite Italian verb forms usually being distinct enough to not require a subject, 'loro' is used here for clarity.
They are students
In this example, 'loro' (they) is used as the subject of the sentence to identify a group of people. In Italian, the verb 'sono' (are) is used with 'loro' to form the present tense.
They are reading a book
This example showcases the use of 'loro' (they) in a sentence where the present continuous tense is used ('stanno leggendo', equivalent to English 'are reading'). Note the verb-verb construction after 'loro'.