2 sentences

1. 雪地上留下了几串深浅不一的足迹。

   xuě​dì shàng liú​xià le jǐ chuàn shēn​qiǎn bù​yī de zú​jì.

   Several sets of footprints of varying depths were left in the snow.

   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