“penny farthing”簡單造句，penny farthing造句子

With 13,600 Km already covered on his 19th century "penny farthing" bicycle, a 39-year-old Briton has embarked on one of the toughest 2 legs of his world 3 trek-china.

However, the penny farthing's popularity lasted only about 20 years, until the advent of the safety bicycle.