ball hawk
常见例句
- She thought she had wrapped it up the next point but a Hawk-Eye challenge from Venus showed the ball was out.
二号种子本以为已经拿下接下来的一分，但维纳斯挑战鹰眼的结果是球已出界。 - At the top of that list is Hawk-Eye, the ball tracking system already used in tennis and cricket that may soon stake its place in World Cup soccer.
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