自行車是一種非常常見的交通工具，但是你知道自行車的發(fā)明者是誰嗎？下面就讓我們來了解一下。

自行車的發(fā)明者是德國人卡爾·馮·德萊西。他于1817年發(fā)明了一種“腳踏車”，即由兩個輪子組成，中間有一根木棍，人們可以用腳來踩動這根木棍，從而使自行車向前行駛。

隨著時間的推移，自行車逐漸發(fā)展成為了我們現(xiàn)在所熟知的樣子。如今，自行車已經(jīng)成為了人們?nèi)粘Ｉ钪胁豢苫蛉钡囊徊糠帧?/p>

總的來說，德國人卡爾·馮·德萊西是自行車的發(fā)明者，他的發(fā)明改變了人們的出行方式，也給我們帶來了很多方便。

The inventor of the bicycle was Karl von Drais, a German. He invented a 'pedalless bicycle' in 1817, which consisted of two wheels and a wooden stick in the middle. People could use their feet to pedal the stick and make the bicycle move forward.

Over time, the bicycle gradually developed into the form we now know. Today, bicycles have become an indispensable part of people's daily lives.

In conclusion, Karl von Drais, a German, is the inventor of the bicycle. His invention changed the way people travel and brought us a lot of convenience.