雨后这条土路上留下了深深的车辙。

The dirt road was covered with deep ___ruts after the rain.

每天重复相同的工作，我发现自己陷入了生活的单调乏味中。

Doing the same job every day, I found myself stuck in a ___rut of life.

在发情期，雄鹿会变得特别活跃，经常互相争斗。

Male deer often fight each other during the ___rut season.