Suppose someone to place an iron ball on the table, then this ball will run straightway towards the magnet.
假设有人在桌子上摆一个铁球，那么这个铁球立刻就会朝着磁铁的方向滚动过去。
Chinese people like ball games very much, such as basketball, volleyball, soccer, table tennis and badminton.
中国人很喜欢球类运动，例如篮球、排球、足球、乒乓球、羽毛球。
这是一个乒乓球。
The ball rolled under the table.
球滚到桌子下面去了。
Now, suppose some one to place an iron ball on the table; then will this ball run straightway towards the magnet.
这时假设有人在桌子上摆一个铁球，那么这个铁球立刻就会朝着磁铁的方向滚动过去。
The researchers showed 56 seven-month-old infants an animated cartoon in which a Smurf-like character watches a ball roll behind a rectangle placed on a table through a number of scenes.
研究人员给56个七个月大的婴儿放一系列不同场景的动画片，里面会有一个类似蓝精灵的角色看一个球滚到桌子上的长方体后。
As we settled in at our table, near the disco ball, I asked him for the best piece of advice he could give an ordinary investor.
当我们在迪斯科舞池边的桌子旁坐好之后，我问他对一个普通的投资者的最好的建议是什么。
It will place both arms on a table to maintain its balance when trying to sit down in a chair, or use one arm for support when taking a big swinging kick at a ball.
它坐在椅子时会把双手扶住桌子以保持自己平衡，或用力踢一个球时会用一个手扶住物体来支承。
Then there is the Kong Pong table with a wider, swiveling table-tennis top to increase chances of hitting the ball, along with penguin lawn ornaments.
还有个“控乓”球桌，比一般乒乓球桌宽大，装饰了企鹅玩偶，还能旋转以增加接球机会。
把这个球放在桌子上。
把这个球放在桌子上。
Is there a ball under the table?
桌子下面有一个球吗？
In table tennis, the eyes see the ball coming, judge its speed and direction, and pass this information on to the brain.
打乒乓时，眼睛看到球打过来，要判断它的速度和方向，再把这个信息传到大脑。
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。
桌子上有个球吗？
A pinball machine looks like an arcade game, except there's a long table, and you pull levers, which push a little metal ball around into different areas.
这种弹球游戏有一个长桌子，你要拉一个控制杆，球就被弹出来在不同区域跑。
The table tennis player dropped the ball on the table to serve.
乒乓球运动员让球自由落下并挥拍发球。
As a Chinese national ball game, Table tennis has a strong civil foundation.
乒乓球作为中国的国球，具有十分浓厚的民间基础。
There is even a games room complete with air hockey table, pin ball machines and arcade games.
甚至有一个房间完成气垫曲棍球比赛表、销的发球机和走道游戏。
The ball rolled off the table.
球从桌子上滚下来了。
The billiard ball travelled gently across the table.
台球慢慢地滚过台面。
I took a ball from under the table.
我从桌底拿出一个球。
This paper introduced the theory and method of performance diagnosis through mathematical simulation in ball game, illustrated with the instance of table tennis match.
介绍了球类比赛数学模拟竞技诊断的理论与方法，并用乒乓球比赛的数学模拟竞技诊断实例进行了说明。
This paper introduced the theory and method of performance diagnosis through mathematical simulation in ball game, illustrated with the instance of table tennis match.
介绍了球类比赛数学模拟竞技诊断的理论与方法，并用乒乓球比赛的数学模拟竞技诊断实例进行了说明。
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