yogurt是可數名詞嗎

　　例句：

　　1.Price increases aren't as clear for consumers of cheese, yogurt,and ice cream.

　　對購買奶酪、酸奶和冰激凌的顧客來說，漲價幅度并不明顯。

　　2.Stir in some cream. Alternatively, use natural yogurt.

　　拌入一些奶油，或者使用天然酸奶。

　　3.an empty yogurt carton

　　一個空酸奶盒

　　4.I had the grilled swordfish with a yogurt dressing.

　　我吃了以酸奶為配料的烤劍魚。

　　5.lite yogurt

　　低脂酸奶