Learn about the fundamental principles of electric circuits, including voltage, current, resistance, and common components like wires, batteries, and switches.

记录了夕阳下田园风光的美丽景象，晚霞、金黄色的小草和摇曳的狗尾草，伴随着晚风，展现了一片宁静而美丽的乡村景色。

Watch as Neil Armstrong moves around on the lunar surface during the historic Apollo 11 mission in 1969.

Setting the record straight on a false claim circulating online about Dwayne Johnson's eating habits.

A person peels and consumes a banana in a casual setting.

A young girl's joyful reaction as she chases a yellow balloon, capturing a sweet and carefree moment of childhood innocence.

A poignant moment of a man expressing his emotions, struggling to hold back tears.