速度滑冰

例句：

1. 1. Speed skating is a popular winter sport in manycountries.
   在许多国家，速滑是一项受欢迎的冬季运动。
2. 2. She has been practicing speedskating for several years.
   她已经练习速滑好几年了。
3. 3. Theathletes are competing in thenational speed skating championships.
   运动员们正在参加全国速滑锦标赛。