| 1. | There is less danger from insect and disease contamination . 病虫侵染的危险较小。 |
| 2. | Airborne spores infect freshly exposed wood . 存在于空气中的孢子,侵染新长出来的林木。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | The infection-thread enters and branches in cells of the root cortex . 侵染线进入根的皮层细胞并进行分枝。 |
| 6. | If spillage occurs, the affected skin should be thoroughly washed . 如果溅出药液,应彻底冲洗受侵染的皮肤。 |
| 7. | The nondescript bacteria were responsible for the infectivity of the filtrate . 这种滤液的侵染性应归之于不能描述的细菌。 |
| 8. | The susceptibility of plants to such infections is the result of many factors . 植物对于这种侵染的敏感程度是多种因素作用的结果。 |
| 9. | theg cannot be lysed or lysogenised by another infecting λ particle. 他们不能被其他侵染性颗粒裂解或溶源化。 |
| 10. | The exposed wood protected with a wound-dressing compound to prevent fungal infection . 伤口露出的木质应以敷料包裹以防止病菌侵染。 |