红泥娃娃
1. 碳水化合物给我们的身体提供热量和能量。Carbohydrates provide our bodies with heat and energy. 2. 你们的集中供热设备是煤气的还是用电的？Is your central heating gas or electricity? 3. 热水器中的水泵将热水输送给集中供热设备。A pump in the boiler sends hot water round the central heating system. 4. 在我国，一般人家里没有集中供热设备。People don't have central heating in their houses in my country.
