对象

例句：

1. 1. The teacher asked the students to write down their names on the blackboard.
   老师要求学生们在黑板上写下自己的名字。
2. 2. The project aims to improve public transportation in the city.
   这个项目旨在改善城市的公共交通。
3. 3. The goal of the competition is to encourage young people to participate actively.
   比赛的目标是鼓励年轻人积极参与。