查询词典 tennis ball

The initial activity is only a game, the ball is Qinger flexible materials, beat cigar lid-like wooden board, the same as in table tennis playing, it called the "table tennis ." Around 1900, due to the development of light industry, the ball was replaced by the hollow ball made of celluloid.

最初只是一种活动性游戏，球是用轻而富有弹性的材料制成，拍子阳雪茄烟盒盖之类的木质板，象打网球一样在桌上打，故称之为"桌上网球"。1900年左右，由于轻工业的发展，球才改成用赛璐珞制成的空心球。

Tennis or lawn tennis is a court game played with rackets and a ball.

网球 网球或草地网球是在球场上使用球拍和球进行的一项球类运动。

Tennis Tennis or lawn tennis is a court game played with rackets and a ball .

网球或草地网球是在球场上使用球拍和球进行的一项球类运动。

The 28th international table tennis federation world after the modification of the rules , the ball from behind high ball down, so that can serve force is not legal service. In the 1960s, along with the development of tennis sport service quality is improved greatly, and pay more attention to the rotation speed, and serve the high toss service, but due to not to bring great threat returner and so on the new rules, not too many restrictions on serving technology.

第28届世乒赛后，国际"乒联"对规则进行了修改，规定了抛起的球从最高点下降时才能击球，因此认定合力发球是不合法发球。60年代随着乒乓球运动的发展，发球质量也有了很大的提高，更注重发球的旋转与速度，开始出现了高抛发球，但由于并没有给接球方带来很大的威胁，所以，规则并未对这些新的发球技术进行过多的限制。

Rounders and tennis due to people hitting the ball to my backhand side in tennis, it has become a very strong shot.

Rounders和网球由于人们击球我的反手侧在网球，它已成为一个非常强大杆。

Rule and knowledge Since 1873 the English wingfield creation modern times tennis,in 1874 has determined the location size and the net height. In 1875,the English board ball club has formulated the tennis contest rule. InJuly, 1877, the entire English board ball club were more for theentire English board ball and the lawn tennis club, and first timeconducted Wimble to ascend the male tennis singles match, latter bythis organization determined the tennis location was a rectangularplane, the length 78 feet (23.77 meters), the width 27 feet (8.23meters), the scoring used the world ancient old style method, namelywon for 1 minute to call "16", won for two minute to call "30", wonfor 3 minute to call "40". In 1884, English London Mary central forcedthis board ball club determination tennis net highly is 91.4centimeters.

自1873年英国温菲尔德创造近代网球后，1874年确定了场地的大小和网子的高低。1875年，英国板球俱乐部制定了网球比赛规则。1877年7月，全英板球俱乐部更多为全英板球和草地网球俱乐部，并第一次举办温布尔登男子网球单打比赛，后由这个组织确定网球场地为一个长方形的平面，长78尺（23.77米），宽27尺（8.23米），计分采用世界古老式方法，即胜1分叫"16"，胜两分叫"30"，胜3分叫"40"。1884年，英国伦敦玛丽勒本板球俱乐部确定网球球网中央高度为91.4厘米。

Wuji style supplies the company's operating establishments in the world's largest base of small commodities, Yiwu, with the exception of main plant and the League of manufacturers to produce a variety of sports supplies, the main species have football, basketball, volleyball, table tennis, badminton, tennis, baseball , massage ball, flower ball, Yanggakdo ball, sticky tap, table, ball racks, ball plates, ball nets, sport planes, skates, tug-of-war rope, rope skipping, fitness circle, Frisbee, darts, gym products, small fitness products, dumbbell rack, sports cars such as sports equipment and educational supplies, has become China's largest professional sports supplies production and management companies.

无极文体用品公司的经营场所在世界最大的小商品流通基地义乌市，除主营本厂和各联盟厂家生产的各种文体用品，主要品种有足球、蓝球、排球、乒乓球、羽毛球、网球、棒球、按摩球、花球、羊角球、粘拍球、球台、球架、球板、球网、运动架、溜冰鞋、拔河绳、跳绳、健身圈、飞盘、飞镖、健身房产品、小型健身产品、哑铃架、体育车等各种体育器材和文教用品，已成为中国规模最大的专业性文体用品生产经营企业之一。

In this study, achieved in the lab for a simple table tennis game simulation, in order to light-emitting diodes to simulate the movement of table tennis movement, turning that ball and achieve integration.

详细说明：本实验在实验室实现了对于简易的乒乓球游戏的模拟，以发光二极管的移动来模拟乒乓球的移动，转向表示击球，并实现积分。

That tennis ball is dead.

这个网球没弹力了。

If you've always wanted to learn to play tennis, go out and buy a tennis racket and a ball.

如果你总是想学打网球，那么走出去，买个网球拍和球。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷