| 1. | The children laughed spontaneously .
那几个孩子都不约而同地笑了。 |
| 2. | Spontaneously they embraced .
她们自然而然地拥抱起来。 |
| 3. | A real or virtual photon may spontaneously annihilate .
一个实的或虚的光子可以自发地湮没。 |
| 4. | The soil will spontaneously absorb water from the reference state .
土壤会由参考状态自动吸附水。 |
| 5. | Phosphine is a toxic gas which ignites spontaneously in air .
磷化氢是一种有毒气体，在空气中可以自燃。 |
| 6. | Heat never flows spontaneously from a cooler to a hotter body .
热决不会自发地从低温物体流向高温物体。 |
| 7. | The inflammation may subside spontaneously if infection does not develop .
如果不发生感染，炎症可自然消退。 |
| 8. | Spontaneously they began to clap and presently the platform was loud with applause .
大伙儿自发地开始拍手叫好，一会儿平台上就响彻了掌声。 |
| 9. | This temperature is high enough to spontaneously ignite the fuel oil as it is injected into the cylinder .
这个温度是很高的，足以容易地随即喷入气缸的燃油发火。 |
| 10. | The study of thermodynamics enables us to predict which processes or reactions might occur spontaneously .
热力学的研究使我们能够预示哪些过程或反应可以自发地进行。 |
