A young female teacher explains and demonstrates how to define variables in JavaScript, covering the basics of variable declaration and usage.

A demonstration of a USB pen drive being physically broken in half by hand, highlighting its fragility.

Watch as a Moai statue is carefully rotated to its original position, showcasing the intricate details of this ancient Easter Island monument.

A dramatic moment from the Dark Souls series where a formidable boss turns to face the camera, showcasing the game's intense atmosphere and challenging enemies.

A close-up shot of Maya's face, showcasing her curious and determined expression.

A heart-shaped spaceship narrowly escapes a distant planet ravaged by a catastrophic earthquake, fleeing the destruction and chaos left in its wake.

在公园里，一只流浪狗妈妈温柔地看护着她的六只狗宝宝，展现了母爱的温暖与纯真的快乐。