Cause · 原因 When ___, the drone ___. 當 ___，無人機就 ___。 "When the propellers spin fast, the drone goes up."🔊 "When you push the stick, it flies forward."🔊
Direction · 方向 It can go ___. 它可以往 ___。 "It can go up and down."🔊 "It can go left, right, forward, and back."🔊
Ability · 能力 It can ___ in the air. 它可以在空中 ___。 "It can stay steady in the air."🔊 "It can turn around in the air."🔊