In 1924 he convinced the British government to encircle the world with a chain of wireless stations using the latest technology that he had devised, shortwave radio.

1924年，他说服英国政府用他最新发明的短波无线电技术来建立无线电台链，环绕世界。

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The second was to encircle the cities.

第二步是包围城市。

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It takes the earth one year to encircle the sun.

地球绕太阳运行一周需要一年。

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He now knew enough to send in the hunters, to encircle the pack.

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But they are living watercourses and once transformed into parks they have the potential to encircle and link the city.

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In the 1970s, Nyad won multiple swimming marathons and was one of the first women to encircle the island of Manhattan.

CNN: August 20, 2012 -- Updated 1157 GMT (1957 HKT)