Q. I was wondering if you could give me some suggestions of a small, light portable radio-type gadget with earbuds that would be good for me while I do athletic activities like riding my bike.
能不能给我推荐一种轻便小巧、带耳塞的便携式收音机那样的装备，以便我在运动时收听，比如说骑自行车。
2
Albert Einstein once imagined riding on a light beam, and his thought experiment led him to the theory of special relativity.
爱因斯坦曾经幻想在宇宙中乘着一道光线飞驰，这个思想实验为他的狭义相对论奠定了基础。
3
What is more surprising though is that by riding my bike daily to get places, I see many parts of life in a completely different light.