youdao

SPEED SKIING: This is the world's fastest non-motorized sport and one of the world's most dangerous sports.

速度滑雪：这是世界上最快的非机动化运动，也是最危险的运动之一。

youdao

SPEED SKIING: This is the world's fastest non-motorized sport and one of the world's most dangerous sports.

速度滑雪：这是世界上最快的非机动化运动，也是最危险的运动之一。

youdao