scooter

The child pushed his aluminum scooter along the sidewalk using his left foot.

(Chinese) 那个孩子用左脚蹬着他在人行道上滑行他的铝制滑板车。

Commuters in Rome often use an electric scooter to navigate through heavy morning traffic.

(Chinese) 罗马的通勤者经常使用电动踏板车在拥挤的早高峰车流中穿行。