【简答题】We know that many animals do not stay in one place. Birds,fish and other animals move from one place to another at a certain time. They move for different reasons: most of them move to find food more...
【简答题】We know that many animals do not stay in one place. Bird, fish and other animals move from one place to another at a certain time. They move for different reasons: most of them move to find food more ...