[00:00.00]He Rides His Bike [00:02.92]His left foot is on the pedal. [00:05.10]His right foot is on the ground. [00:07.45]He pushes down on the pedal. [00:09.51]He takes his right foot off the ground. [00:12.41]He puts it on the pedal. [00:14.42]The pedals start to go around. [00:16.99]They go around in a circle. [00:18.90]His knees go up and down. [00:21.23]The bicycle rolls forward.
He Rides His Bike. His left foot is on the pedal.
他骑自行车。他的左脚踩在踏板上。
His right foot is on the ground. He pushes down on the pedal.
他的右脚在地上。他踩下踏板。
He takes his right foot off the ground. He puts it on the pedal.
他右脚离开地面。他把它踩在踏板上。
The pedals start to go around. They go around in a circle.
踏板开始转动。他们围成一圈。
His knees go up and down. The bicycle rolls forward.
他的膝盖上下起伏。自行车向前滚动。
