Meaning of shì fàn:
示范
to demonstrate; to show how to do sth
Lǎoshī zài kètáng shàng gěi xuéshēng shìfàn rúhé jiě zhè dào tí.
老师在课堂上给学生示范如何解这道题。
The teacher demonstrated to the students how to solve the problem in class.
Lǎoshī zhèngzài wèi wǒmen shìfàn rúhé zuò zhège shíyàn.
老师正在为我们示范如何做这个实验。
The teacher is demonstrating to us how to do this experiment.
demonstration; a model example
Lǎoshī zài kètáng shàng zuòle yīgè shíyàn de shìfàn.
老师在课堂上做了一个实验的示范。
The teacher gave a demonstration of an experiment in class.
Lǎoshī gěi wǒmen zuòle yīgè hěn hǎo de shìfàn.
老师给我们做了一个很好的示范。
The teacher gave us a good demonstration.