他用无人机拍摄了美丽的风景照片。

He used a ___drone to take stunning landscape photos.

德罗纳是我印度朋友的名字。

___Drona is the name of my Indian friend.

德罗纳是《摩诃婆罗多》中般度族与俱卢族的王室导师。

___Drona served as the royal guru for both the Pandavas and Kauravas in the Mahabharata.