| 1. | The foggy air was full of chill menace .
空气里弥漫着浓雾，寒意侵人。 |
| 2. | In some vessels the walls becomes infiltrated .
有些血管的血管壁受侵润。 |
| 3. | There is less danger from insect and disease contamination .
病虫侵染的危险较小。 |
| 4. | The land surface is inundated by a transgressive sea .
陆地的表面为侵进的海水淹没。 |
| 5. | But they differ in association and mode of emplacement .
但在共生和侵位的方式不同。 |
| 6. | Airborne spores infect freshly exposed wood .
存在于空气中的孢子，侵染新长出来的林木。 |
| 7. | Gradually they filtered southward .
他们逐渐南侵。 |
| 8. | There were as many as 54 infection courts on an individual tree .
在个别树上有多达54个侵染点。 |
| 9. | Infected plants may be dwarfed, mature early, suffer severe blast .
被侵植株矮化，早熟，严重枯萎。 |
| 10. | An infection thread is formed by the cytoplasm of the host cell .
侵染线是由寄主细胞的细胞质形成的。 |
