4 sentences

1. 老师在课堂上鼓励学生积极互动。

   lǎo​shī zài kè​táng shàng gǔ​lì xué​sheng jī​jí hù​dòng.

   The teacher encourages students to interact actively in class.

   Source: Dong Chinese Dictionary

2. 教师通过课堂互动建构良好的师生关系。

   jiào​shī tōng​guò kè​táng hù​dòng jiàn​gòu liáng​hǎo de shī​shēng guān​xi.

   Teachers construct good teacher-student relationships through classroom interaction.

   Source: Dong Chinese Dictionary

3. 这种教学方式鼓励师生之间的双向互动。

   zhè zhǒng jiào​xué fāng​shì gǔ​lì shī​shēng zhī​jiān de shuāng​xiàng hù​dòng.

   This teaching method encourages two-way interaction between teachers and students.

   Source: Dong Chinese Dictionary

4. 这部互动电影可以由观众决定剧情走向。

   zhè bù hù​dòng diàn​yǐng kě​yǐ yóu guān​zhòng jué​dìng jù​qíng zǒu​xiàng.

   This interactive movie allows the audience to decide the direction of the plot.

   Source: Dong Chinese Dictionary