When they feel frightened, they roll up into a ball to protect themselves.

当它们感到害怕时，它们会蜷缩成一团来保护自己。

youdao

Raise elbows to protect your ball when taking the rebound.

抢到篮板时抬起手肘来保护你的球。

youdao

All I know is he was heading the ball and an Arsenal player tried to protect his goal and accidentally kicked JT in the head.

我所知道的就是他在头球攻门的时候被解围的阿森纳球员一脚踢中面部。

youdao

Often it will be your fellow back rowers arriving first and they need to be in the correct positions either side of the ball carrier to protect the ball and make it almost certain that it comes back on the right side.

BBC: Jeremy Guscott column

Carlesimo cautioned that the Nets would have to protect the ball, saying Brooklyn gave Chicago 80 points on 73 turnovers.

WSJ: Postseason goes to Brooklyn, and Noah may miss it

The public has also reacted to the fact that, knowing this problem existed, the Dodger organization failed to do what was necessary to protect those attending ball games from this serious threat to their safety.

FORBES: Suspect Arrested In Brutal Los Angeles Dodger Stadium Attack