1. | [t] ~ sth 孵(卵);孵化to sit on its eggs in order to keep them warm until they hatch |
2. | [t] ~ sth 培养(细胞、细菌等)to keep cells, bacteria, etc. at a suitable temperature so that they develop |
3. | [t] 有(传染病在体内)潜伏to have an infectious disease developing inside you before symptoms (= signs of illness) appear |
4. | [i] 潜伏to develop slowly without showing any signs |