One possible reason for improved survival is that seniors living in closer neighborhoods have others looking out for them who can get help sooner if they start experiencing stroke symptoms.

存活率提高的一个可能原因是生活在关系更密切的社区的老年人有别人照应，如果他们开始出现中风症状他们能更快地得到帮助。

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Before administering treatment to stroke patients, a doctor must figure out what type of stroke that person has had, because using the wrong drug can be fatal.

在对中风病人进行治疗前，医师必须了解病人所患的中风类型，否则，错误用药可能致命。

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It didn't rain, which turned out to be a stroke of luck.

天没下雨，结果成为一次好运。

《柯林斯英汉双解大词典》

"They don't go around handing out one-stroke penalties, " Couples said, especially to a 14-year-old.

WSJ: At the Masters, the Eighth-Grader Gets Detention | Golf Journal by John Paul Newport

Many researchers, however, point out that the 30-day stroke and death rate in stent patients was significantly higher (4.8%) than that of surgery patients (2.6%).

WSJ: Are Stroke Drugs Better Than Stents?

But Steele also did brilliantly to keep out a Crouch header on the stroke of half-time and Barnsley capitalised when they equalised out of nowhere after the interval.

BBC: Liverpool 1-2 Barnsley