The pitcher toed the mound, wound up and threw a fast ball.
投球手用脚趾踩踏板，挥动手臂，投出了一个快球。
Tim Wakefield Tim Wakefield on the DL right now throws a lot slower, because he has that tricky knuckle ball, he doesn't need to throw as fast.
现在受伤停赛的,投的很慢，因为他有一个很难处理的指节球，他不需要扔的很快。
The key to this is the reduced density of the atmosphere, which affects how fast the ball moves through the air and also the bend of a spinning ball.
此处的关键在于大气的折合密度，它会影响球在空中穿越的速度以及旋转球的弯曲度。
Fast break: A play in which a team gains possession and then pushes the ball downcourt quickly, hoping to get a good shot off before the other team has a chance to get back and set up on defense.
快攻（fastbreak)：球队控球时的一种打法。 控球后把球迅速传回后半场，希望在另一队回防前能得到一次好的投球机会，然后重新防守。
The subjects had to predict, as fast as possible, the direction of the ball and where it would land, by hitting a keyboard key.
这些被试必须在预测来球的方向和球落地的位置后尽快击中键盘上的一个键。
What this means for a football is that a slow-moving ball with a lot of spin will have a larger sideways force than a fast-moving ball with the same spin.
对足球来说，一个转速很高但球速慢的足球将比转速相同的快速球得到更大的侧向力。
Dante Arete had curled up into a ball and had fallen fast asleep as soon as the FBI aircraft was off the ground and the "fasten seatbelt" lights went dark.
FBI的专机一离开地面，“系紧安全带”指示灯还没熄灭，丹蒂·阿雷特就把身体蜷成一团很快睡着。
Your peripheral vision may not be all that good for watching a fast moving table tennis ball onto a relatively small racket head.
你的余光也未必那么好，能看着一些如此快速运动的小乒乓球到达一个相对较小的拍头上。
It can be beautiful to watch another human being run fast, or jump high, or bowl quickly, or strike a ball exquisitely.
看着别人跑得很快或跳得很高、快速移动或精准击球，都是一种美。
For fast calculating the signed distance from spatial point to STL model, a reference ball method was put foward based on linear octree.
针对如何快速求取空间点到STL模型表面有符号距离这一问题，提出一种基于线性八叉树的参考球方法。
The Lurmen healer Wag Too somersaults in order to traverse distances quickly, rolling around in a ball at fast speeds.
为了长途跋涉更快，勒明医生瓦格·图蜷缩成一个球，高速翻滚前进。
For instance, teams of blind children can enjoy fast -moving games of soccer with a bell inside the ball and a new hand -held ultrasonic device to guide them.
比如，一队盲人可借助内装有铃的球和指导他们的超声装置来欣赏快速运动的足球赛。
To help anxious clients, Dr. Llewellyn, of Marietta, Ga. , has them list on a card their strengths, such as a great fast ball, then laminate and carry it.
为帮助焦虑的客户，莱维利恩医生让他们把自己的长处写在一张卡片上，比如能投出很棒的快球等等，然后塑封好带在身边。
A new method of measuring indoor radioactivity of radon is presented by using the indoor fast-moving ball as the sample of a radioactive substance.
给出了一种用室内快速运动的球体作为放射性样品测量室内氡射气辐射活度的新方法。
Badminton is a unique racquet sport because instead of using a ball, a shuttlecock is used. This allows for a very fast paced game, because the shuttlecock can be hit at speeds of up to 200mph.
羽毛球是一项独特的球拍运动，羽毛球比赛节奏非常快，因为羽毛球被打击后速度可达每小时200英里。
When you are returning serve against a very fast server and you do not have time to hit a swinging return, just block the ball back almost like a volley.
当应对一个发球速度极快的对手时，你不需要一个完整的引拍接发，只需要把球挡击回去，这有点截击的感觉。
When you are returning serve against a very fast server and you do not have time to hit a swinging return, just block the ball back almost like a volley.
当应对一个发球速度极快的对手时，你不需要一个完整的引拍接发，只需要把球挡击回去，这有点截击的感觉。
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