"I saw a motorcycle flip over the car in front of us and crash," she explains. "We stopped and called an ambulance, but it was amazing to me how many people just drove by."

“我看到一辆摩托车在我们面前滑过一辆汽车并摔倒在地，”她解释道，“我们停下来并叫了一辆救护车，但是令我吃惊的是刚刚有那么多的人从这里行驶而过。”

youdao

Those frictional forces for this rope to go in this direction will flip over.

绳子的这个方向的,摩擦力会翻转。

youdao

So look at 14:22,and if you want to you can flip over to Mark 6:45 and see the change, or if you have Throckmorton you can look it up in Throckmorton sometime.

所以请看第14章22节,也可以翻到马可的第六章45节作对比，或者如果有斯罗克莫顿的书,可以日后去查看。

youdao

Once you've got that, you can do minus 7 times a vector Just take the vector, multiply it by Pi and flip it over.

明白这点之后,你就可以计算-7乘以矢量,只需用 π 去乘以那个矢量,然后将其方向调转

耶鲁公开课 - 基础物理课程节选

The Boogie Board Jot Folio is a leather-like case with a convenient flip-over design similar to a traditional stenographer notepad.

ENGADGET: Boogie Board Jot eWriting pad hands-on (video)

She wore a red jumpsuit and flip-flops over white socks.

NEWYORKER: A Loaded Gun

The Conservatives have accused Labour of flip-flopping over the issue after they said the timing was not right for a referendum but did not rule out having one at some point in the future.

BBC: William Hague defends Conservative EU referendum pledge