1. 越野比赛(如赛跑、自行车赛、滑雪赛等)
Cross-country is the sport of running, riding, or skiing across open countryside rather than along roads or around a running track.

2. 横越全国的;遍及全国的
A cross-country journey involves less important roads or railway lines, or takes you from one side of a country to the other.

1. across the countryside

e.g. the river runs cross-country
the road runs cross-country

2. not following tracks or roads

e.g. they liked to race cross-country