拧拉、撕、切是现代乒乓球技术统计中的关键术语。拧拉是指利用手腕快速内收并向前上方摩擦球的中部或中上部，制造强烈上旋的台内进攻技术； ...

【介绍奥运会的英语小短文】The Olympic Games, commonly known as the Olympics, are one of the most prestigious and wi ...