It is important that you get comfortable with standing and pedaling on your bicycle.
重要的是，你得到满意的地位和脚踏在您的自行车。
2
Life is like riding a bicycle: you don't fall off unless you stop pedaling.
生命就像是骑脚踏车：你不会跌倒，除非是你不再踩踏板了。
3
The driver can sit in the chamber balanced like riding bicycle in driving to make it move by the relative forces through pedaling rotation link combination.