model law

例句：

1. 1. The architect designed a model of the new building.
   建筑师设计了新建筑的模型。
2. 2. He was a great model for his students.
   他是他学生的优秀榜样。
3. 3. The model is used to simulate the real thing.
   这个模型是用来模拟真实物体的。