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Presently, the door opened again and three men stepped out.

不久，门又打开了，走出来三个人。

《牛津词典》

He made a gong to announce his arrival, respectfully bowed three times at the door, then sat down quietly in front of the master.

他鸣锣通报自己的到来，恭恭敬敬在门口鞠了三个躬，然后静静在师傅面前坐了下来。

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When rescuers got the door open, they found the flames had killed the three astronauts.

VOA: special.2009.07.08

The small four-door car is about three meters long.

VOA: special.2009.03.28

The patina of a worn brown-leather soccer ball in one photo inspired the leather-wrapped door handles on the upcoming Mini Paceman, a three-door crossover coupe that goes into production next year.

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The A3 three-door hatchback unveiled here (the U.S. will get a four-door sedan version before 2014) will offer a slew of different engines, both gas and diesel, as well as automatic and manual transmissions.

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America will take door number three and inflate its way out of its debt.

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