active migration造句

例句与造句

1. We will have a very active migration policy next year.
2. Refuge use is influenced by habitat characteristics, such as hydrolic exchange and sediment type, active migration or passive habitat use and species morphology, behaviour and physiology.
3. Factors that put the Dominican Republic at risk of a growing epidemic include early age at sexual debut, high birth rates among adolescent girls and young women, the high TB incidence, and active migration ( including migration between cities and countryside, migration from Haiti, and migration to and from the United States ).
4. It's difficult to find active migration in a sentence. 用active migration造句挺难的