He screwed the paper into a ball and tossed it into the fire.

他把那片纸揉成一团扔进了火里。

《柯林斯英汉双解大词典》

The ball rolled ink onto the paper as it moved.

球在移动时把墨水滚到纸上。

youdao

She reaches in, digs her hand deep into the ball, and pulls out a slip of paper.

她把手伸进去，手臂深深插入球中，抽出一张纸条。

youdao

But a good ball coach will tell you that no game is won on paper, but on the field.

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Distressed and defaulted paper, however, continued to knock the cover off the ball as credit opportunity investors sought out wide-margin opportunity.

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Using those simple measurements and the equations presented in the paper, the researchers were able to predict which half of the roulette wheel the ball would end up in about 59% of the time.

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