| 1. | Plastics will soften when exposed to heat .
塑料适当加热就可以软化。 |
| 2. | Overheated metals may cast badly .
加热过甚的金属可能难浇铸成型。 |
| 3. | Heat the butter until it browns .
把黄油加热，直到变成褐色为止。 |
| 4. | A bimetallic strip bends when heated .
加热时，双金属长条变弯。 |
| 5. | The gas is heated by photoionization .
气体是由光致电离加热的。 |
| 6. | There are the vegetables to peel and the soup to heat .
菜要择，汤要加热。 |
| 7. | The fire in the furnace warms this cold air .
炉灶里的火对进来的冷空气加热。 |
| 8. | Heat the glass tube to the point that it can bend .
将玻璃管加热，以能弯曲为度。 |
| 9. | The panes glowed like plates of heated metal .
玻璃窗闪闪发光，像加热了的金属片。 |
| 10. | Cast forms may be further shaped by heating .
铸塑件的形状可以通过加热进一步改变。 |
