11. | bacteria growing in a matrix of nutrients |
| 生长在培养基中的细菌
|
12. | bacteria magnified to 1000 times their actual size |
| 比实物放大1000倍的的细菌
|
13. | bacteria growing in a sugar medium |
| 在糖基中生长的细菌
|
14. | examine bacteria under a microscope |
| 用显微镜检查细菌
|
15. | the infection of the body with bacteria |
| 身体受细菌侵染
|
16. | numberless stars, bacteria , grains of sand |
| 无数的星星, 细菌, 沙粒
|
17. | cultivate bacteria |
| 培养细菌
|
18. | destroy the noxious bacteria |
| 消灭有害细菌
|
19. | resist the invading bacteria |
| 抵抗入侵的细菌
|
20. | dangerous bacteria |
| 危险的细菌
|