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open ball

  • 开球:数学中的一个概念,表示在度量空间中,以某个点为中心,距离小于某个正数的所有点的集合。

双语例句权威例句

  • While ticks are unlikely to be encountered in open fields, children chasing balls off the field or cutting through woods to school may be entering a high-risk tick area.

    虽然蜱虫不太可能出现旷野之中但是小孩在找或者抄近路学校时,有可能进入高危地区

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  • He thought little about it until he dropped one of the balls and it cracked open.

    几乎什么没想直到无意间一个泥球掉到地上,一下裂开了。

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  • The Magic don't need a higher power's assistance to make more open shots and snag more loose balls.

    魔术需要借助帮助更多的空位进球争抢到更多球权。

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  • Trott, moved up the order to open to allow England to play five bowlers, took 33 balls to get off the mark and his reluctance to play any form of sweep to a spin-oriented attack saw the innings grind virtually to a halt.

    BBC: England on back foot against Bangladesh in Mirpur

  • Even Pietersen, having scampered through for a risky single as is his wont to open his account, scored only one more run in his next 32 balls, before finally stepping down the wicket to loft his first boundary.

    BBC: England on back foot against Bangladesh in Mirpur

  • The gutta percha balls once belonged to golfing legend Old Tom Morris, who won the Open four times in the 1860s.

    BBC: Quiz of the week's news

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