1. experimental extinction
   实验性消退
   
2. experimental method
   实验法，试验方法
   
3. experimental procedure
   实验步骤
   
4. experimental psychology
   n.实验心理学
   
5. experimental condition
   试验条件
   

1. They can only provide experimental evidence.
   他们只能提供实验证据。
2. This is an experimental form of teaching.
   这是一种实验性的教学形式。
3. We're still at the experimental stage with the new product.
   我们这项新产品仍处于试验阶段。
4. The experimental data obtained will be discussed tomorrow .
   所取得的实验数据将于明天讨论。
5. Little Jim is doing very well in an experimental class.
   小吉姆在一个试点班学习得很好。

　3个形容词解释