tennis ball

These are the tennis-ball equivalents and their existence is a puzzle.

这些宇宙射线有等同于网球发射出去时的能量,其存在是个谜团.

He spent hours throwing a tennis ball against a wall.

他好几个小时都对着一堵墙掷网球。

What is a table tennis ball made from?

乒乓球是由什么物质做成的?

A tennis ball is hollow, but a base ball is solid.

网球是空心的, 但棒球是实心的.

This tennis ball has no more bounce.

这个网球已经失去弹力了.

If you can catch a tennis ball with your hand you can learn volley easily.

假设您能用手接球,您就能轻易学会截击.

To strike ( a tennis ball, for example ) before it touches the ground.

截击在球触地以前击 ( 如网球 )

The impact of the tennis ball really stung his leg.

网球撞击在他的腿上,真够疼的.

A tennis ball bounced out of the tennis court and over the park to Mark.

一颗网球从网球场弹出,飞到公园,滚到了马克旁边.

He hit the tennis ball over the net.

他把网球打过了网.

Sports To send back ( a tennis ball, for example ) to one's opponent.

将球击回给对手 ( 例如,网球 )

A tennis ball spins more on clay courts than on grass courts.

网球在土场上比在草场上旋转更明显.

I spent many hours mindlessly banging a tennis ball against the wall.

我好几个小时都在机械地往墙上打网球。

Imagine you have a tennis ball in your fingertips-now squeeze!

想象您安排网球在您的指尖 - 现在紧压!

A tennis ball is the same shape of a globe.

网球与球体的形状相同.