twins
The Spanish word 'mellizos' translates to 'twins' in English. This refers to two children birthed by the same mother in the same pregnancy who share a birthday. The term 'mellizos' is commonly used in the Spanish language when referring to a set of twins, similar to the English usage of the term. Although 'mellizos' often refers to fraternal (non-identical) twins, it can also be used broadly to refer to any set of twins.
My friends have twins who are celebrating their birthday today.
This phrase indicates that the speaker's friends have twin children whose birthday is today.
When I saw the twins, I couldn't believe how similar they were.
This example expresses the speaker's surprise at how much the twins resemble each other.
Twins often have a special connection between them.
This statement refers to the unique bond that is commonly found between twin siblings.