One hand on the saddle , the other on the lever, I stood panting heavily in attitude to mount again.
我一手抓鞍座，一手抓杠杆，气喘吁吁地摆好了再次登上机器的架势。
There is proper leg extension between the saddle and the pedals. Do this by having a friend steady your bike, or mount your bike in a stationary trainer with the wheels level.
第一，大小腿在脚踏和座垫之间有一个合适的伸展距离。首先，让你的朋友协助你让自行车在平地上直立，或者让你的自行车在一个训练平台上。
There is proper leg extension between the saddle and the pedals. Do this by having a friend steady your bike, or mount your bike in a stationary trainer with the wheels level.
第一，大小腿在脚踏和座垫之间有一个合适的伸展距离。首先，让你的朋友协助你让自行车在平地上直立，或者让你的自行车在一个训练平台上。
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