皮球的英文：
leather ball

参考例句：

The child’s rubber ball punctured when it felon a prickly bush
小孩的橡皮球掉到长有尖刺的灌木丛上被刺破了。

This rubber ball won't sink.
这个皮球不会沉。

A rubber ball bounces well.
橡皮球的弹力好。

He pierced the rubber ball with a needle.
他用针刺穿橡皮球。

He pierced the rubber ball with a knife.
他用刀刺橡皮球。

We substituted a red ball for blue to see if the baby would notice.
我们用红皮球换下了蓝皮球，看这婴儿会不会发觉。

The plight of the old–age pensioners has become a political football in the run up to the election.
老年养老金领取者的困境已经成了竞选中连续地被踢来踢去的政治皮球。

You will soon understand that work is a rubber ball. If you drop it, it will bounce back.
你马上就发现惟有工作是一个橡皮球。如果你将它掉到地上，它还会弹回来。

Tired of shuttlecocking the document for signatures, the secretary decided to call in all the signers.
厌倦了为了文件签名而互丢皮球，秘书决定将所有的签字人叫来。

A rubber ball attached to a paddle by an elastic string loses energy as it files away from the paddle.
一根弹性绳把一只皮球拴在一块叶片上当球飞离叶片时,球失去能量。

leather是什么意思：
n. 皮革
adj. 皮革的；皮革制成的
v. 用皮革包裹；用皮鞭抽打

leather carrying case
皮手提箱

These shoes are made of quality leather.
这些鞋是用高级皮革制成的。

leather ware sewing machine
皮革制品缝纫机

The soles are made of leather.
鞋底是皮革做的。

They are rubber and leather fetishes.
他们是迷恋橡胶和皮革的恋物癖。

ball是什么意思：
n. 球；舞会
v. 成团块；捏成球形

You have no balls!
你们一点胆量都没！

The kitten tangled the ball of yarn.
猫把线团儿弄乱了。

A ball hissed by.
子弹嘶地一声飞过。

The dog had itself a ball.
狗玩得很愉快。

Do you have the balls to challenge authority?
你有挑战权威的胆量么？