探险队在三天内行驶了200英里。
The expedition ___covered 200 miles in three days.
步行很难覆盖如此远的距离。
It's difficult to ___cover such a vast distance on foot.
高铁能在两小时内行驶完两座城市之间的距离。
The bullet train can ___cover the distance between the two cities in under two hours.