Name: 為什麼塞雷娜-威廉姆斯的發球主導了網球運動？ (Why Serena Williams’ Serve Dominates Tennis)
Uploaded: 2020-10-23T21:08:59.000Z
Duration: 6 min 41 s

Tally up all the Grand Slam championships

程度副詞

In fact, Serena is one of the most successful

事實上，塞雷娜是最成功的一個。

And that's in large part thanks to her iconic serve.

而這在很大程度上要歸功於她標誌性的發球。

You can break Serena's serve into four parts.

你可以把Serena的發球抽成四個部分。

The acceptance window is the area of the court

where the ball has to land in order for the serve to count.

and the maximum angle for it to land inbounds.

at which you hit the ball makes a big difference.

在你打球的時候會有很大的不同。

Chang Kee Jung: As taller you are, you have

Narrator: Serena isn't nearly as tall as Yao,

Chang: So, Serena Williams does exceptionally well.

張。所以Serena Williams做得特別好。

Narrator: The stretch and jump boost the height

Now, Serena isn't the only player who extends on the serve.

現在，塞麗娜並不是唯一一個在發球時延伸的球員。

But, according to experts, she is much more consistent.

但據專家介紹，她的表現更為穩定。

she's won 82% of the games that she served.

她贏得了82%的比賽，她的服務。

than the average of the top 20 female players

But, of course, serving the ball inbounds

Serena's power serve is one of the fastest in the game,

塞雷娜的發球速度是比賽中最快的之一。

That's about 12 kilometers per hour faster

than the average female professional tennis player.

比一般的女性職業網球運動員。

Now, part of that speed is the result of pure strength.

現在，這種速度有一部分是純粹的力量的結果。

she has, like, incredible, lean, muscular body,

她有一樣，令人難以置信的， 瘦，肌肉發達的身體。

so she can generate a huge amount of force.

Narrator: But what really sets Serena's power serve apart

旁白：但真正讓Serena的強力發球與眾不同的是什麼呢？

為了最大限度地發揮發球的威力。

and, most importantly, twist at the trunk.

而且，最重要的是，在樹幹處扭動。

In other words, they use their whole body

換句話說，他們用的是全身的力量

to gain as much velocity behind the serve as possible.

以獲得儘可能多的發球後的速度。

But none of that matters if you don't hit the ball

但如果你不打球，這些都不重要了

at the exact moment when your arm is at full reach

在網球中，這就是所謂的流暢性。

You will smoothly hit the ball with maximum power.

你會順利地用最大的力量擊球。

Narrator: But there's a catch to these power serves.

旁白：但這些權力服務是有問題的。

是的，他們的速度很快，但速度...

That's why Serena also uses topspin to her advantage,

所以塞麗娜也利用上旋的優勢。

usually when her first power serve goes out of bounds.

通常是在她第一次發力出界的時候。

For example, Serena's average topspin serve

25 kilometers per hour slower than her power serve.

每小時25公里，比她的發力速度還慢。

That change in movement is thanks to a phenomenon

這種運動的變化得益於一種現象

it creates a pocket of lower pressure underneath it.

它的下面會形成一個壓力較低的口袋。

that makes the ball drop abnormally fast,

But Serena's second serve is not the fastest in the game.

但塞雷娜的第二個發球局並不是比賽中最快的。

will fire her second serve at about 150 kilometers per hour.

將以時速150公里左右的速度發出第二個發球。

But Sharapova sacrifices accuracy for speed here.

但莎拉波娃在這裡為了速度而犧牲了準確性。

For comparison, Serena has scored, on average,

相比之下，塞雷娜的平均得分。

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為什麼塞雷娜-威廉姆斯的發球主導了網球運動？ (Why Serena Williams’ Serve Dominates Tennis)

phenomenon

stretch

boost

improve