E Track 16
Track 17
Track 59
課程講解 Track 82
or an invention' that appears relatively si
isingly complex history In fact, it's not e
rst bike was created While some credit
ng up with the earliest design in 1493/r
Irawing is a fake and instead trace the on
century Germany]
was there that Baron Karl von Drais bu
ng machine in 1817 as an alternative to
ooden device required riders to push c
heir feet to gain speed and offered no
It could, however, go quite fast, c
eters in less than an hour during its trial
bund 50 years later what many consi
st modern bicycle was born] This vers
led by pedals, which, unlike those
s, were connected directly to the from