chicken什么時候是可數名詞

　　She spooned the sauce over the chicken pieces.

　　她用勺把沙司澆到雞塊上。

　　I personally would rather roast a chicken whole.

　　我個人更愿意烤整雞。

　　He went to the party in a giant chicken costume.

　　他是打扮成一只大雞去參加聚會的。