a gravity-powered sport where a person rides a specially designed board, lying on their back, feet-first, and races downhill on paved roads at high speeds

街头雪橇, 公路雪橇比赛
making us feel interested, happy, and energetic

令人兴奋的, 刺激的
a physical activity or competitive game with specific rules that people do for fun or as a profession

运动
a competition between people, vehicles, animals, etc. to find out which one is the fastest and finishes first

比赛, 竞赛
different or better than what is normal

特别, 特殊
a flat, often elongated piece of equipment used to glide over surfaces like water or snow

板, 冲浪板
a small board with two sets of wheels we stand on to move around by pushing one foot down

滑板, skateboard
(of a person or animal) to be in a resting position on a flat surface, not standing or sitting

躺, 卧
to move from a sitting position to a flat or nearly flat position on the back

躺下, 仰卧
having a high speed when doing something, especially moving

快的, 迅速的
to manage and operate a device, system, or process, causing it to function as intended

控制, 操作
the body part that is at the end of our leg and we stand and walk on

脚, 足
our or an animal's hands, legs, head, and every other part together

身体, 躯体
in a downward direction, typically toward the lower point of a hill

下坡, 向下
providing entertainment or amusement

有趣的, 娱乐的
receiving a lot of love and attention from many people

受欢迎的, 受喜爱的
capable of destroying or causing harm to a person or thing

危险的
to have something such as clothes, shoes, etc. on your body

穿, 戴
the condition of being protected and not affected by any potential risk or threat

安全, 安全性
a collection of equipment or tools required for a specific activity, operation, or sport

装备, 器材
a hard hat worn by soldiers, bikers, etc. for protection

头盔, 安全帽
item of clothing for our hands with a separate space for each finger

手套, 手袋
in a way that avoids harm or danger

安全地, 无危险地
known by a lot of people

著名的, 有名的
a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes

加利福尼亚, 加利福尼亚州
a country in North America that has 50 states

美国
a naturally raised area of land that is higher than the land around it, often with a round shape

小山, 丘陵
exactly right or ideal for a particular purpose or situation; having all the desired qualities with no flaws

完美的
a country in Western Central Europe, south of Germany

瑞士
a very tall and large natural structure that looks like a huge hill with a pointed top that is often covered in snow

山, 山峰
making us feel interested, happy, and energetic

令人兴奋的, 刺激的
an area of land or water used for races, sports, and other similar activities

球场, 场地
causing great pleasure or excitement

惊心动魄的, 令人兴奋的
air that moves quickly or strongly in a current as a result of natural forces

风, 微风
to join in a contest or game

竞争, 参加
the act of repeatedly doing something to become better at doing it

练习, 实践
to keep something in a stable and even position, typically by adjusting or redistributing weight

平衡, 保持平衡
a unit of measurement used to express speed or velocity in the metric system, representing the distance traveled in kilometers over the course of one hour

公里每小时, 公里/小时
