It’s at the end of the dairy aisle.
在奶制品貨架的最后。

When you go to a grocery store, it will be divided into different sections or aisles.
超市里會有不一樣的區塊和貨架。

In addition to dairy aisles, there will also be a section for meat, produce, breads, frozen foods, drinks, snacks, and beauty products.
除了乳制品區，還有肉制品，農產品，面包，冷凍食品，飲料，零食和護膚美妝區。

Usually, stores are organized in sections and aisles. Each of these sections has a specific set of products that you can find in each area.
超市都會劃分區塊和貨架。每個分區都有特定的東西。

For example, in the conversation the people were in the dairy aisle. You would be able to find milk, yogurt, cream, and other dairy products there.
比如在對話中的乳制品區中，你能找到的產品像是牛奶，酸奶，奶油和其他的乳制品。

This would be the same for other aisles in the store. So if you wanted to buy some soda, you would find it in the drinks section.
其他貨架也是一樣的。所以如果想買汽水，可以在飲料區找到。

In the conversation, the store worker knew that the heavy cream would be at the end of the dairy aisle. Because of this, he said: "It’s at the end of the dairy aisle."
在對話中，超市工作人員知道奶油在奶制品貨架的最后，所以他說“在奶制品貨架的最后。”