What is the pronunciation of "immigrant"?

Explanation:

1 refers to change.

2. change; Change.

3. move; Move from one place to another.

4. Exile in remote areas.

5. This is called promoting to a higher position and making a fortune.

Make sentences:

1. Some birds migrate in winter.

2. When winter comes, geese migrate to the south.

Biological "migration":

Bird migration: It is an instinctive reaction of birds to follow the natural environment and study birds.

Migration behavior, understand the migration time and route, migration quantity, population relationship, homing ability, mortality and survival of migratory birds.

Ecological laws such as the number and longevity of birds and their relationship with breeding and wintering environment are very important for protecting rare and endangered birds and utilizing climate resources.

Birds protect agricultural and forestry production and maintain ecological balance, ensure aviation safety, plan to use economic migratory birds, and prevent the spread of epidemics.

Making laws can provide scientific basis and bring great social, economic and ecological benefits to mankind.