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在旷野之中，但是小孩在找球或者抄近路去学校时，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.

他几乎什么也没想，直到无意间一个泥球掉到地上，一下裂开了。

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When you open a new bag of cotton balls, is the top one meant to be thrown away?

当你买了一包棉球的时候，最顶上的那一个是要扔掉的吗？

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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