It was an island in the middle of the sea.

这是海中央的一个岛。

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The massive structure stands in the middle of the North Sea, miles from land, but it is far from isolated.

大规模的建筑物远离大陆伫立在北海中部，不过这并不是说它是孤立的。

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What could be the cause of this strange invisible dividing line that skims across south-west France, cuts through Italy close to Florence, and continues eastwards through the middle of the Black Sea?

是什么原因导致这条奇怪的无形分界线跨越法国西南部，穿过意大利、接近佛罗伦萨，又继续向东穿过黑海中部？

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The men knew it was the middle of the day because the color of the sea changed from slate gray to emerald green, with gold lights.

VOA: special.2011.04.09

You've got to think about that and what it means and how were they transmitted and preserved without ; the means of technology, obviously, that we have today; and what was so exciting in the middle of the twentieth century was the discovery of the Dead Sea Scrolls.I'm sure that you've heard of them.

你们需要考虑到这点及这意味着什么,还有在没有当今我们所拥有的技术的年代,是如何传播和留传下来的;,在20世纪中期时最令人兴奋的就是发现了,死海古卷，我确定你们曾经听说过。

耶鲁公开课 - 旧约导论课程节选

Scientists say it formed when high sea levels flooded the middle of North America, splitting the continent in two for millions of years during the late Cretaceous period.

VOA: special.2010.10.05

The long-running TV series has been narrated by the likes of former Beatles drummer Ringo Starr and James Bond actor Pierce Brosnan -- not bad for an unassuming kid's show whose setting is based on the windy and remote Isle of Man, which floats between Scotland and Northern Ireland in the middle of the Irish Sea.

CNN: STORY HIGHLIGHTS

There's a great black wave in the middle of the sea for me, for you, for me.

NPR: The Arcade Fire, Dark and Energetic

Like other Wall Street CEOs, Cayne sat by as Bear Stearns plowed ahead at full speed with no radar in the middle of the night in a sea dotted with icebergs.

FORBES: Cayne's Mutiny