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

Watch Dwayne 'The Rock' Johnson showcase his vocal skills in a lively big band jazz performance, blending his charisma with classic jazz sounds.

一组描述夕阳下的美景和诗情画意的文字，描绘了夕阳下的自然美景和人文情怀。

Senator Bernie Sanders takes a break from campaigning to grab a quick bite at a fast food restaurant, giving a glimpse into his eating habits on the road.

A brief moment of a woman smiling as she turns left, capturing a natural and carefree expression.

A serene and mystical forest scene, shrouded in mist, with trees and foliage emerging from the foggy atmosphere.

Watch Dwayne Johnson showcase his vocal skills in this entertaining video of him singing.