description of the exercise

例句：

1. 1. The description of thepainting is quite detailed.
   这幅画的描述非常详细。
2. 2. The teacher gave a clear andconcise description of the experiment.
   老师对实验做了清晰而简洁的描述。
3. 3. The descriptionof the new product was very helpful inunderstanding its features.
   对新产品的描述非常有助于理解其特点。