Your bicycle is so nice.

你的自行车真漂亮。

youdao

Can I use your bicycle?

用一下你的自行车行吗？

youdao

Is this your bicycle?

这是你的自行车吗？

youdao

But you don't compress it so quickly that you're not in there reversible process so you compress that if you were to feel the temperature of the air and you can feel it through the nozzle gives you an idea of the temperature of the air inside your bicycle pump.

但是压缩速度,也不能太快,否则就不是,可逆过程了,这样当压缩气体时,从喷嘴可以感受到,内部气体的温度。

麻省理工公开课 - 热力学与动力学课程节选

This is real, unlike the Joule coefficient which is very small so that most gases have tiny Joule coefficients. So if you do a Joule experiment, you hardly measure a temperature change. With real gases, here you do actually measure it. You can feel it with your finger on your bicycle tire.

系数那样小以至于,大多数气体的焦耳系数,都很小，所以如果你做焦耳实验,很难测量出温度的变化,对于真实气体，你可以测量它，你能通过手指按在,自行车轮胎上来感觉到它。

麻省理工公开课 - 热力学与动力学课程节选

Both of these bike kits are practical additions you can make to your bicycle, for fun or more practical reasons.

FORBES: DIY Electric Bike Kits

You are basically purchasing a new front wheel for your bicycle and attaching it along with a lithium battery pack and a throttle.

FORBES: DIY Electric Bike Kits

For the 2, 200 local residents, it is a jealously guarded home, a place where you can leave your bicycle unlocked outside the organic coffee shop and it will still have both wheels attached when you come back a few hours later.

BBC: Cycling the San Juan Islands