意大利語不定冠詞

    The Italian indefinite article (l'articolo indeterminativo) corresponds to English a/an and is used with singular nouns. It also corresponds to the number one.
    INDEFINITE ARTICLESMASCHILEFEMMINILEuno zio (uncle)una zia (aunt)un cugino (cousin, m.)una cugina (cousin, f.)un amico (friend, m.)un’amica (friend, f.)
    Uno is used for masculine words beginning with z or s + consonant; un is used for all other masculine words. Una is used for feminine words beginning with a consonant; un’ is used for feminine words beginning with a vowel.
    un treno e una bicicletta
    un aeroplano e un’automobile
    uno stadio e una stazione