Sometimes when the ball is caught the umpire cannot be sure if the ball has touched the edge of the bat.
有的时候球被接到以后裁判不确定球是否碰到了击球板的边缘。
In the height of the bat, they are also under the ring to catch insects, but why they want to fly so high?
在高处的蝙蝠，它们也打着圈捕捉昆虫，可是为什么它们要飞的那么高呢？
I looked at the height of the bat, they than a fly high, I can only see the tiny spots of black spots on the fly.
我望着高处的蝙蝠，它们一个比一个飞的高，最后我只能看到星星点点的黑点在飞着。
The paper discusses the influence of the direction and strength of force, the angles of the bat and spinning on the balls flying curve.
根据乒乓球运动中击球时用力方向、拍面角度、发力大小、旋转性能等方面阐述对球的飞行弧线的影响。
The second phase, starting 120 milliseconds before impact, was the rapid rotation of the bat about a vertical axis into the hitting area.
第二个阶段则是球棒沿垂直轴朝击球区快速转动，该活动起始于球与棒相撞的前120毫秒。
"Maybe it's scent, a sound, a pheromone, something that doesn't get preserved in a museum," says Elizabeth Clare of the University of Guelph in Ontario, a co-author of the bat study.
“这种差异也许存在于某种气味、声音或信息素之中，但这些东西都是博物馆没办法保存的，”安大略省圭尔夫大学的蝙蝠研究专家伊丽莎白·克莱尔(ElizabethClare)说。
“Maybe it’s scent, a sound, a pheromone, something that doesn’t get preserved in a museum, ” says Elizabeth Clare of the University of Guelph in Ontario, a co-author of the bat study.
“这种差异也许存在于某种气味、声音或信息素之中，但这些东西都是博物馆没办法保存的，”安大略省圭尔夫大学的蝙蝠研究专家伊丽莎白·克莱尔（ElizabethClare ）说。
This weekend is Night of the Bat, which I want to check out, but the Austin Children's Museum is also great, and our son is just now getting to the age where he would enjoy it nearly 1 year old!
这个周末是我很想去看看的蝙蝠之夜乐队的表演，不过奥斯汀儿童博物馆也很精彩，也很适合我即将到年龄的儿子观看啊(就快1岁了哦！)
Last week, the group of scientists said they had found important biological qualities in some bat species.
上周，这组科学家表示，他们在一些蝙蝠物种中发现了重要的生物特性。
Because of their narrow bandwidth, CF signals portray only the target's presence and, in the case of some bat species, its motion relative to the bat's.
因为它们的频宽很窄，CF信号只能描绘目标的存在，而对于一些种类的蝙蝠来说，CF 信号还能描述目标相对于蝙蝠的运动。
So the bat sends out these pulses, very focused bursts of sound, and echoes bounce back.
所以蝙蝠发出这些脉冲，一种非常集中的声波，然后回声就会反弹回来。
He had dropped all of the books he was carrying, along with a baseball bat and several other things.
他把自己携带的所有书本连同棒球棒和其他一些东西都丢了。
In this process of transmission and reflection, the sounds are changed, and the changes in the echoes enable the bat to perceive features of the target.
在这个传递和反射的过程中，声音发生了变化，回声的变化使蝙蝠能够感知到目标的特征。
The bat judges distances by a kind of echo-location.
蝙蝠用一种回声测定法来判断距离。
They thought that there might be a link between how socially integrated a bat colony is and the nature of its tents.
他们认为有可能一个蝙蝠群体是怎样群居地结合在一起和这个群体帐篷的本质之间有关系。
Sowe learn of the sleeping bat in the cleaning cupboard, the garden hose and MrHavel's own temper-both of which he tells us were too short.
我们了解到睡在干净的橱柜里的蝙蝠，花园的软管和哈维尔的脾气- - -他告诉我们这些的共同点都是太短。
Cameras and an inspection team spotted the bat clinging to the side of Discovery?s 15-story external tank as it was being fueled with propellant ? super-cold liquid hydrogen and liquid oxygen.
摄像机和一个检查小组捕捉到了这只蝙蝠的图像，它紧紧地贴在发现号15层的外置燃料箱上，当时正在进行灌注燃料（超低温的液氢和液氧）的程序。
They thought that there might be a link between how socially integrated a bat colony is and the nature of its tents.
他们曾认为，一个蝙蝠群落结合成一种社会群体的方式，与其帐篷的性质之间有某种联系。
When the echo returns to the hunting bat, the predator can glean information about the size, location and more of prey.
这些声调组成一个回声定位声波，蝙蝠接收到返回声波的时候，这个捕食者就会获得猎物的大小、位置和多少等信息。
And if your employer matches a certain percentage of your contributions, that's free money right off the bat.
如果你的雇主认同你一部分的贡献，那么免费的钱就会马上从天上掉下来。
Found in the rain forests of Africa, this large bat gets its name for the huge, strangely shaped head of the males.
这种大型的蝙蝠发现于非洲的雨林之中，因为雄性锤形头蝙蝠那形状奇特的头部而得名。
The sound of 'leather on willow' (the bat hitting the ball) can evokes a twinge of emotion and nostalgia equivalent to hearing the cuckoo in spring.
球击到板的声音就好像春天里杜鹃的啼叫一样能激起人情感上的波澜和无线乡愁。
The brown long-eared bat has enormous ears that stretch three-fourths the length of its entire body.
这种褐色的长耳蝙蝠有两只大大的耳朵，大概有它整个身体的四分之三长。
The archaeologists also found remains of two wooden clubs, one the shape of a baseball bat and made of ash, the second the shape of a croquet mallet and made of sloe wood.
考古学家还发现了两根遗留下来的木棒，其中一只具有棒球棒的形状，由白蜡木制成。另一只具有槌球锤的外形，由黑刺李木制成。
Some experts thought the bat may have been frozen in place because of the cryogenic temperatures, but it changed position every now and then.
一些专家认为蝙蝠可能是因为超低温而被冻结在了外壁上，但那只蝙蝠每隔一会儿就变换一下姿势。
Maybe the squirrel was going after some fruit and the bat was hanging there and the squirrel wanted to get rid of some competition.
也许这只松鼠想要吃一些水果，正好那只蝙蝠倒挂在那儿，于是松鼠想要除掉竞争对手。
The only animals that can truly fly are birds, insects, and one type of mammal, which is of course the bat.
真正可以飞的动物只有鸟类、昆虫还有一种哺乳动物——当然那就是蝙蝠。
We were in a room with him and one of the other students had a baseball bat and was about to hit him and one of my friends said, 'Hey you can't do this'.
我们跟他在一间屋子里，其他一位学生拿起了垒球球棒，就要朝老师打来，我的一位朋友喊：“嗨，不能这样干。”
We were in a room with him and one of the other students had a baseball bat and was about to hit him and one of my friends said, 'Hey you can't do this'.
我们跟他在一间屋子里，其他一位学生拿起了垒球球棒，就要朝老师打来，我的一位朋友喊：“嗨，不能这样干。”
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