这家公司用迷你无人机给客户送货。

The company uses ___mini-drones to deliver packages to customers.

这些迷你无人机非常适合在客厅里飞行表演。

These ___mini-drones are perfect for flying shows in the living room.

孩子们在科技课上学习如何操控微型无人机。

The kids are learning how to control ___mini-drones in their technology class.