| 1. | Chemical energy may be converted to heat .
化学能可以转化为热能。 |
| 2. | The cell lost its autotrophic character and became dependent on added chemical energy sources .
细胞丧失了自养的特性，变成依赖于外加的化学能源生活。 |
| 3. | In fact fuels we burn and plant foods we eat give off their chemical energy in the form of heat energy .
其实我们烧的煤和吃的植物性食物都是以热能形式放出它们所含有的化学能。 |
| 4. | The researchers found that the plant leaf converts 8.5 per cent of the light falling on it into chemical energy .
研究者发现，这种植物能把照射在叶子上的阳光的8.5转变成化学能。 |
| 5. | Mitochondria convert the chemical energy of carbohydrates and fats into energy forms which the rest of the cell can use when needed .
线粒体可将脂肪与碳水化合物的化学能转化为细胞的其余部分需要时可以利用的能源形式。 |
| 6. | Chemical energy in the battery is turned into electrical energy
电池中的化学能被转化为电能。 |
| 7. | All the chemical energy of the fuel is not converted into heat
燃料的化学能并不全部都变成热能。 |
| 8. | All the chemical energy of the fuel is not converted into heat
并非燃料中的所有化学能都可转为热能。 |
| 9. | Specialized cells convert chemical energy into mechanical energy
有专门的细胞把化学能转变成机械能 |
| 10. | Electrical energy may be converted into heat , light or chemical energy
电能可以被转换成热能，光能或化学能。 |
