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。
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。
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.
更令人称奇的是，每天以自行车代步，我都会从一个完全不同的角度来看待生活的方方面面。
She pictured him riding through the morning mists, his golden armor bright in the light of the rising sun.
她想象着詹姆骑马穿越清晨的薄雾而来，金色盔甲在朝阳照耀下闪闪发光。
Albert Einstein once imagined riding on a light beam, and his thought experiment led him to the theory of special relativity.
爱因斯坦曾经理想在宇宙中乘着一道光芒飞奔，这个头脑实行为他的狭义相对论奠基了底子。
Begin with light cardiovascular training. Walking, riding a stationary bicycle, and swimming are great examples.
从轻微的心血管锻炼开始，走路，骑固定自行车，和游泳都是不错的例子。
Because they're so light and have lots of openings for air to pass through, helmets aren't any hotter than having your head exposed to the sun while riding.
头盔轻，而且有很多的散热孔，和把头暴露在阳光下，感觉差不多。不会热。
Some of them broke just the most basic laws - like crossing on a red light or riding against traffic - and many cyclists broke more than one.
他们中一些人违反了最基本的法规——如不准闯红灯和逆向行驶，而许多人违反了不止一条法规。
Some of them broke just the most basic laws - like crossing on a red light or riding against traffic - and many cyclists broke more than one.
他们中一些人违反了最基本的法规——如不准闯红灯和逆向行驶，而许多人违反了不止一条法规。
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