With slow shutter speed, it's more likely that you or your subject is going to move while the shutter is open, causing motion blur in your photo.

如果快门速度较慢，则快门打开时，您或您的拍摄对象很可能会移动，从而导致照片出现运动模糊。

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And one that is moving continues to move at an unchanging speed, so long as no outside force influences it.

VOA: special.2011.06.01

You put a chunk of wood on a table and you try to move it at constant speed.

你把一大块木头放在桌子上,试着让它匀速运动

耶鲁公开课 - 基础物理课程节选

There are all kinds of little abbreviations they make, ; and it suggests that language has to be wrenched out of its conventions; syntax can be set aside; language needs to move at the speed of experience and at the speed of ecstasy.

他们创造了各种缩写，好像语言必须得被扭曲得偏离原样;,语法可以被搁置一边，语言需要以体验和,忘形的速度移动。

耶鲁公开课 - 1945年后的美国小说课程节选

In FX terms that is a huge move, and the speed of the move, with the typical attempts to fight back i.e. the volatility would have caught many investors offside.

FORBES: Rogue Trading...Look Past Delta, What About Vega?

But then, would high speed rail really move growth out, or would it make the whole country into Greater London's commuter belt?

BBC: Is London good or bad for Scotland?

That can speed up a move into branded generics.

ECONOMIST: Big drug firms embrace generics