This rubber ball doesn't blow up easily.

这个橡皮球不易充气。

youdao

Work is a rubber ball. If you drop it, it will bounce back.

工作是一个橡胶球，你把它丢在地上，它还会弹回来。

youdao

This rubber ball won't sink.

这个皮球不会沉。

youdao

Police also found a disposable razor and a small rubber ball in his possession.

BBC: River Thames body mystery police issue clothing clue

Of course, whacking the little black rubber ball repeatedly isn't the same thing as knowing how to play the game.

WSJ: Squash and Schooling

Now, this did little to console the boy who was crushed, because, after all, what was I going to do with a rubber ball?

WHITEHOUSE: President Obama Toasts President Lee Myung-Bak of the Republic of Korea | The White House