It is one of seven barrier islands that, along with some mainland areas of Mississippi and Florida, make up the Gulf Islands National Seashore.

它是在密西西比和佛罗里达的一些大陆地区沿岸，组成海湾群岛国家海滨的七座屏障岛屿中的一座。

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There are now Barbies with one of seven skin tones, 22 eye colours and 24 hair styles to choose from.

现在的芭比娃娃有7种肤色、22种眼睛颜色和24种发型可供选择。

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His mother was one of seven sisters.

他的母亲有七个姐妹。

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In two thousand eight, American exports supported almost seven percent of all jobs, including one-third of jobs in manufacturing.

VOA: special.2010.07.09

Now, remember, the formation of the ionic bonds was from group one and group two, and over here with group six and seven.

现在请记住，离子键的形成,从第一族和第二族元素，与六七主族的元素相互构成的。

麻省理工公开课 - 固态化学导论课程节选

So in one of them Joshua's warriors seem to march silently around the city seven times.

在其中一个故事里，约书亚的战士们,不出一声地绕城七次。

耶鲁公开课 - 旧约导论课程节选

Literature is one of seven creative industry fields which UNESCO recognises through its Creative cities network.

UNESCO: Recognises Dunedin Creativity

Matthaus was one of seven players aged 30 or over in Vogts' "Dad's Army".

BBC: World record awaits Matthaus

The prison is one of seven to close as part of government cost-cutting measures.

BBC: Hopes high over HMP Gloucester prison site future