Those kids really need some new balls to play with.

那些孩子真的需要一些新球玩玩。

youdao

Every move you haven't make a figure some new balls will appear.

一举一动，你没有作出一个数字，一些新的球会出现。

youdao

He will now swap new balls for new diapers although he hopes to be back on court in the near future.

他也希望不久就可以重回球场，不过现在他得放下网球和尿布打交道。

youdao

In the evening, the new president and first lady Michelle Obama will attend the ten official inaugural balls.

VOA: special.2009.01.19

In America, the new balls are seen as great for novices and casual players.

WSJ: Is Tennis Getting Too Soft?

The leader of the ATP's 'New balls please' campaign came of age when he destroyed Pete Sampras to take the US Open title in 2000.

BBC: Marat Safin

"I started serving really well with the new balls and then as the first set progressed I started missing a lot of first serves into the net, " said Murray.

BBC: Laura Robson and Andy Murray