3 sentences

1. 沙滩上留下了两行深深的脚印。

   shā​tān shàng liú​xià le liǎng háng shēn​shēn de jiǎo​yìn.

   Two lines of deep footprints were left on the beach.

   Source: Dong Chinese Dictionary

2. 雪地上留下了深浅不一的脚印痕迹。

   xuě​dì shàng liú​xià le shēn​qiǎn bù​yī de jiǎo​yìn hén​jì.

   Traces of footprints of varying depths were left in the snow.

   Source: Dong Chinese Dictionary

3. 运动员们在坚实的土地上奔跑，留下一串清晰的脚印。

   yùn​dòng​yuán men zài jiān​shí de tǔ​dì shàng bēn​pǎo, liú​xià yī chuàn qīng​xī de jiǎo​yìn.

   The athletes ran across the solid ground, leaving behind a trail of clear footprints.

   Source: Dong Chinese Dictionary