any of several early bicycles with pedals on the front wheel
a vehicle with three wheels that is moved by foot pedals
例句
Today's bicycles are descendants of the earlier velocipede. 今天的自行车是从早期的脚踏车发展而来的。
I called up Shimano's U.S. headquarters in Irvine, Calif., and convinced the company to let me evaluate this voguish velocipede for Scientific American. 我随即打电话给岛野在加州尔湾的总部，极尽所能说服他们让我试试这款新潮时髦的自行车，就说是为了这本杂志好了。
