Gemelle and gemelli are Italian equivalents of the English word "twins." Context makes clear whether all-female (case 1), all-male or mixed female and male (example 2) genders suit. The respective pronunciations will be "djey-MEL-ley" and "djey-MEL-lee" in Pisan Italian.
"Twin sister' in English is gemella in Italian.
When translated from English to Italian a raccoon is a procione
"Out" in English is fuori in Italian.
"About" in English is circa in Italian.
"Or" in English is o in Italian.
"Not italian" in English is non italiano in Italian.
"To have" in English means avere in Italian.
"You did" in English is Hai fatto! in Italian.
"We had to..." in English is Abbiamo dovuto... in Italian.
Questa in Italian is "this" in English.
"Who we are" in English is Chi siamo in Italian.
"And you?" in English is E tu? in Italian.