track

专辑中我最喜欢的曲目是开场歌曲。

My favorite ___track on the album is the opening song.

在石头地上追踪动物很困难。

It's difficult to ___track an animal over stony ground.

她收集了关于径赛和田赛的所有海报。

She has a collection of posters about ___track and field.