It makes my head look like a soccer ball.

这使我的头看起来像个足球。

youdao

Last week a tennis ball hit me on the head, but I tried to ignore the pain, believing that it would go away sooner or later.

上周，一个网球击中了我的头，但我试图忽视疼痛，相信痛感迟早会消失的。

youdao

You should curl up (蜷缩) into a ball and cover your head and neck with your hands.

你应该蜷缩起来，用手护住头和脖子。

youdao

Then he would fall down on the floor again like a ball of dirt and start rubbing the side of his head with his back foot as if he had no idea he had been doing any more than any frog might do.

VOA: special.2009.08.29

'Well sent on John Sutton in place of Esteban Casagolda and the striker's first contribution was to head a long ball on for Forbes, whose volley hit the bar on its way out.

BBC: Sport - Football - Hearts 0-0 Motherwell

The ban, which Earl Beatty Public School put into effect last week, was not even prompted by an injury to a child, but rather came after a parent suffered a concussion from being hit in the head with a soccer ball.

FORBES: Playground Covered in Pillows for Safety Reasons

In 2001, a big mask was fastened to his head to promote a masquerade ball.

WSJ: As Oregon Town Evolves, Caveman Heads the Way of the Dodo