Vacuum cleaner, AM radio, Bakelite, or Penny Farthing.
吸尘器,AM收音机,胶木,还是前轮大后轮小的自行车。
当月 CNN 10 学生英语 2019年9月合集
And here is what a Penny Farthing looks like.
大小轮自行车是这个样子的。
英语百科
Penny-farthing
(重定向自Penny Farthing)
The penny-farthing, also known as a high wheel, high wheeler and ordinary, is a type of bicycle with a large front wheel and a much smaller rear wheel. It was popular after the boneshaker until the development of the safety bicycle in the 1880s. It was the first machine to be called a "bicycle".