1. The quantity of apples in the grocery store was impressive.
这家杂货店的苹果数量令人印象深刻。

2. Please measure the quantity of flour needed for the recipe.
请测量食谱所需的面粉数量。

3. The company ordered a large quantity of supplies for the upcoming project.
公司为即将到来的项目订购了大量的物资。

4. It is important to limit the quantity of sugar consumed each day.
每天消耗的糖的数量是有限的，这一点很重要。

5. The quantity of books in the library is overwhelming.
图书馆的书籍数量令人震惊。

6. The quantity of water used in the experiment was carefully controlled.
实验中使用的水量是精心控制的。