美国科学60秒 SSS 2012-10-29_在线英语听力室_免费在线英语听力学习网站

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When Pablo Panda Sandoval made history with 3 home runs in game one of the world series his head was probably buzzing. But when batters¹ in chilly² Detroit had the ball not quite right in the next couple of the nets, it will be their hands that buzzing. Ouch. Those hurting hands are caused by vibrations⁴ in the bat after makes contacts with the ball and when captured on high speed video they can actually see the player's hands losing contact with the bat as they bends back and forth⁵ at the speed of 6-700 times a second. Ouch but Penn's states Daniel Russell has a solution, a shock of absorber in the bat's knob that's tune⁶ to cancel out the vibration³ frequency that cause the most painful stings. He presented the analysis of this new shock of absorber on October 22nd at a meeting of acoustical⁷ society of America. And thanks to a collaboration⁸ with baseball bat maker⁹ Marucci Sports, even if you can't hit the ball in the sweet spot like the Panda. Your hands may remain *.

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1 batters
n.面糊（煎料）( batter的名词复数 )；面糊（用于做糕饼）；（棒球）正在击球的球员；击球员v.连续猛击( batter的第三人称单数 )
参考例句：
The pitcher has beaned as many as three batters in this game. 在这？热？投手投球竟打中了三个击手的头。来自《现代英汉综合大词典》 A storm batters the ship. 一场风暴袭击了这条船。来自辞典例句

2 chilly
adj.凉快的，寒冷的
参考例句：
I feel chilly without a coat.我由于没有穿大衣而感到凉飕飕的。 I grew chilly when the fire went out.炉火熄灭后，寒气逼人。

3 vibration
n.颤动，振动；摆动
参考例句：
There is so much vibration on a ship that one cannot write.船上的震动大得使人无法书写。 The vibration of the window woke me up.窗子的震动把我惊醒了。

4 vibrations
n.摆动( vibration的名词复数 )；震动；感受；（偏离平衡位置的）一次性往复振动
参考例句：
We could feel the vibrations from the trucks passing outside. 我们可以感到外面卡车经过时的颤动。 I am drawn to that girl; I get good vibrations from her. 我被那女孩吸引住了，她使我产生良好的感觉。来自《简明英汉词典》

5 forth
adv.向前；向外，往外
参考例句：
The wind moved the trees gently back and forth.风吹得树轻轻地来回摇晃。 He gave forth a series of works in rapid succession.他很快连续发表了一系列的作品。

6 tune
n.调子；和谐，协调；v.调音，调节，调整
参考例句：
He'd written a tune,and played it to us on the piano.他写了一段曲子，并在钢琴上弹给我们听。 The boy beat out a tune on a tin can.那男孩在易拉罐上敲出一首曲子。

7 acoustical
adj. 听觉的，声学的，音响学的
参考例句：
This system can set up acoustical resonances. 这种系统能产生共鸣。 The relevance of acoustical principles is by no means limited to sound and hearing. 声学原理并不仅仅适用于声音和听觉。

8 collaboration
n.合作，协作；勾结
参考例句：
The two companies are working in close collaboration each other.这两家公司密切合作。 He was shot for collaboration with the enemy.他因通敌而被枪毙了。

9 maker
n.制造者，制造商
参考例句：
He is a trouble maker，You must be distant with him.他是个捣蛋鬼，你不要跟他在一起。 A cabinet maker must be a master craftsman.家具木工必须是技艺高超的手艺人。