1·Every winter outdoor ice skating rinks appear all over Beijing.
每年冬天，户外溜冰场在北京各处可见。
2·A combined ice, snow skis belongs to the ice and snow sports equipment, in particular to the technical field of the design and manufacture of skating rinks or snowfield skis.
组合式冰、雪滑车，属冰雪运动器材，具体为冰场或雪地滑车的设计与制造技术领域。
3·Frozen ponds and ice rinks become playgrounds for skating and hockey.