4 sentences

1. 孩子们正在相互掷雪球。

   hái​zi​men zhèng​zài xiāng​hù zhì xuě​qiú.

   The children are throwing snowballs at each other.

   Source: CCMatrix

2. 我们打了一场雪球大战。

   wǒ​men dǎ le yī chǎng xuě​qiú dà​zhàn.

   We had a snowball fight.

   Source: Tatoeba

3. 他捏了一个雪球朝一扇窗子扔过去。

   tā niē le yī​ge xuě​qiú cháo yī shàn chuāng​zi rēng guò​qu.

   He made a snowball and threw it at a window.

   Source: CCMatrix

4. 最后，我们再做一个小雪球放在其他两个的上面。

   zuì​hòu, wǒ​men zài zuò yī​ge xiǎo xuě​qiú fàng zài qí​tā liǎng​ge de shàng​miàn.

   Finally, we make another small snowball and put it on top of the other two.

   Source: UM-Corpus: Education