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.