in the Middle Ages

• 在中世纪时期

in the Middle Ages的用法和样例：

例句

1. Latin used for liturgical purposes during the Middle Ages.
   中世纪时期用做礼拜式目的的拉丁语。
2. Now in the medieval era the catapult is being replaced by newer and more powerful weapons.
   投石器在古罗马战场上非常常见，在中世纪时期它被具有更大威力的武器所替代。