航天飞机重返地球大气层时因有摩擦力而减慢速度。
The force of friction slows the spacecraft down as it re-enters the earth's atmosphere.
随着航天飞机减慢速度，无线电通信又重新恢复。
也许会减慢速度，因为上面的原因，在区域二中的减速是气流阻力。
That will probably also slow it down, because what causes, of course, this slowdown in regime two is really turbulence.
茶晶能令人体细胞活泼，老化征象减慢速度，复原芳华的活力。
Citrine active human cells can, slow down aging and restore youthful vigor.
可是在减慢速度之前，你必需能以快速度弹奏(即使是短暂地)。
However, it is absolutely essential that you get up to fast speeds (if only briefly) before slowing down.
电梯舱减慢速度，终于停下来，威尔迅速穿过门厅向办公室走去。
The car eased to a stop, and Will walked quickly down the hallway to the office.
如果你有点自负，在训练时你就会减慢速度要不就会在比赛时起跑速度太快。
Get a little too over-confident and you might slack off a little in your training or start out way too fast in your race.
快到家的时候，我们减慢速度，去寻找那只每天傍晚都要从森林里出来的鹿。
Near home, we slowed to search for the deer that came out from behind the trees in the early evening.
但是光同样可以以一种稍缓的速度行驶，比如它会因为在空气中或水中而被减慢速度。
But light can also travel at a more leisurely pace, slowed, for example, by air or water.
阅读时一个终生的过程：学着减慢速度密切阅读会助你提升阅读速度并且不遗漏信息。
Reading is a process: learning to read closely and slowly will help you become faster over time without missing anything.
我们以前已经被问及过该问题了，即关于行星x的运行是否被控制着，可减慢速度或者增加速度。
We have been asked this question before, as to whether the progress Planet X makes is under control, slowed or sped up.
仅定义一个局部变量而没在函数中调用它，同样会减慢速度(其程度相当于递增一个局部变量)。
Just declaring a global variable without using it in a function also slows things down (by about the same amount as incrementing a local var).
因为当你在将腿伸出到前方时，从你身体重心要赶上双脚所花费的时间来看，你其实是在减慢速度。
Because when you stick your leg out in front of you, you actually decelerate, from the time it takes the center of mass of your body to get over your foot.
沿途我们停留了15次，路过小镇时，我们让火车减慢速度，这样我就可以向聚集在铁轨两边的人挥手。
We made fifteen stops along the way and slowed down as we passed through small towns so that I could wave to the people who had gathered by the tracks.
午饭的时候，戴好您的太阳镜坐在自己停靠的车里面，并把吹风机对准路过的车，看它们是否会减慢速度。
At Lunch Time, Sit in Your Parked Car With Sunglasses on and point a Hair Dryer At Passing Cars. See If They Slow Down.
仅定义一个局部变量而没在函数中调用它，同样会减慢速度(其程度相当于递增一个局部变量)。PHP大概会检查看是否存在全局变量。
Just declaring a global variable without using it in a function also slows things down (by about the same amount as incrementing a local var). PHP probably does a check to see if the global exists.
例如，我会不由自主地在一个比较难的部分减慢速度，在比较容易的部分速度又会变快，尽管在没有节拍器的时候我的想法跟有节拍器的时候完全相反。
For example, I tend to slow down at difficult sections and speed up at easy ones, although I think it is actually the opposite when playing without the metronome.
在一个函数里如果只声明一个全局变量而没在函数中调用它，同样会减慢速度(其程度相当于递增一个局部变量)。PHP很有可能会检查看是否存在全局变量。
Just declaring a global variable without using it in a function also slows things down (by about the same amount as incrementing a local var). PHP probably does a check to see if the global exists.
在一个函数里如果只声明一个全局变量而没在函数中调用它，同样会减慢速度(其程度相当于递增一个局部变量)。PHP很有可能会检查看是否存在全局变量。
Just declaring a global variable without using it in a function also slows things down (by about the same amount as incrementing a local var). PHP probably does a check to see if the global exists.
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