experiment with skips in the row

例句：

1. 1. The scientist conducted anexperiment to study the effects of light onplants.
   科学家进行了一个实验，研究光对植物的影响。
2. 2. Theengineer tried out a newdesign for the car before finalizing it.
   工程师在最终确定汽车设计之前，尝试了一种新的设计。
3. 3. Theteacher experimented with different teaching methods tofind the most effective one.
   老师尝试了不同的教学方法，以找到最有效的一种。