1. A pound of sugar.
    一磅糖、

2. Sugar is a compound.
    糖是一种化合物.

3. She enumerated the items we had to buy sugar, tea, soap, etc.
    她列出了我们要购买的东西--糖、 茶叶、 肥皂等.

4. Sugar is soluble in water.
    糖溶于水。

5. Please put a lump of sugar in your coffee.
    请给你的咖啡里放一块糖。

6. Go down to the grocer´s and get me some sugar.
    去杂货店给我买点儿糖来.

7. It had been baked by a college student who had used over 1,000 pounds of flour, 800 pounds of sugar, 200 pounds of fat, and 400 pounds of various other ingredients.
    它是由一个大学生烘制的，用去1,000多磅的面粉、800磅食糖、200磅动物脂肪及400磅其他各种原料。