The students are navigating drones through the hoops.

學生們正在操控無人機穿越鐵環。

Flying drones requires time, practice, and focus.

駕駛無人機需要時間、練習和專注。

The teacher is talking to the students in class about Earth Day.

老師正在課堂上為學生講解地球日。

The students are learning how to protect our planet on Earth Day.

學生們正在學習如何在地球日保護我們的地球。