What officials are there in a water polo game?

水球比赛有哪些裁判人员？

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The competition combines underwater robots with water polo game for the first time, in which biomimetic robotic fish play polo in the water.

该项目首次将水下机器人和水球运动结合起来，采用仿生机器鱼在水中进行水球比赛。

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Arena polo is such an exciting form of the game and it will be truly special to play it at such an iconic venue in front of so many supporters.

室内马球比赛非常刺激，在那么多支持者面前、在标志性的场馆里进行比赛，确实非常特别。

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The ancestor of polo, this traditional game of horsemen is played with a dead goat rather than a ball.

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At practice, if the kids seem spent, he'll end the workout midway through and start a game of water polo.

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Then the big boys with global licences arrive: Lego to make construction kits (build your own Hogwarts castle), Mattel to make Harry Potter toys, and Electronic Arts computer games including, finally, a chance to play the obscure game of Quidditch (a bit like an aerial version of polo, but with the contestants flying on broomsticks).

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