当今世界上风行着摩托车、汽车、摩托艇和飞机等运动机械竞技活动。

Mechanical athletics such as motorcycle, automobile and motorboat are popular in world today.

youdao

当今世界上风行着摩托车、汽车、摩托艇和飞机等运动机械竞技活动。

Mechanical athletics such as motorcycle, automobile and motorboat are popular in world today.

youdao