| 1. | Such a substance is called a depolarizer . 这种物质称为去极剂。 |
| 2. | A substance donates protons to some other substance . 一物质向其他物质提供质子。 |
| 3. | The term "fluid" means a substance that can flow . 所谓“流体”是指可流动的物质。 |
| 4. | Charge may be given to or removed from a substance . 电荷可以充入一物质也可以从中移去。 |
| 5. | The more ways a substance has of "soaking up" added energy . 物质具有“吸收”所加入能量的其它方式。 |
| 6. | The temperature of a substance may be changed under a variety of conditions . 物质的温度可在不同条件下发生变化。 |
| 7. | My duodenum produces a substance called secretion, which empties into joe's bloodstream . 我的十二指肠生产一种名叫分泌素的物质,排入乔的血流。 |
| 8. | The heat of fusion is the heat required to melt a substance at its normal melting temperature . 熔化热是一种物质在其熔点温度全部熔化所需要的热量。 |
| 9. | As we have remarked before, we face a similar problem in defining the ordinary mass-density of a substance . 正如我们在前面已经注意到的,我们面对着和定义通常的物质密度相似的问题。 |
| 10. | There is no simple general law relating the change of temperature of a substance to the heat energy add to it . 加进物质的热量同物质温度的变化之间的关系,还没有一条简洁而普通的定律。 |