A specially-built mirror outside his apartment window allowed him to peek unseen at the world outside.

通过公寓窗外的一面特制的镜子，他能够看到外面的世界而又不被人发现。

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These absorb heat, via a link to specially built Windows, and spontaneously emit it to the house when the temperature drops in the evening.

通过与特别建造的窗户相连接，它们可以吸热，并在夜晚温度下降的时候自动把热量释放到房屋里。

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Nor do they need specially built, reinforced launch pads. Any suitable runway will do.

这种发射方式也不需要专门搭建和加固发射台，只需要一条合适的跑道就可以了。

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The defendants listen through headphones to an Arabic translation of proceedings at the specially-built Scottish court at a disused US airbase.

BBC: Camp Zeist court

The book, which has been exhibited overseas on only three previous occasions, is normally kept on show in carefully-controlled conditions in a specially-built case in the Trinity College library.

BBC: Priceless book damaged in flight

It was a vocal chorused outside the stadium by 100, 000 supporters crammed into a specially-built fan zone in the center of Warsaw -- and those almost exclusively Poland fans had plenty to shout about in the opening 20 minutes of the opening game.

CNN: Russia win as co-hosts Poland are held