We’d board the train at six-thirty A.M. and arrive there two hours later.

我们早上六点半就上火车，两小时后到达。

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A studio of three hours' lecture in a large lecture hall, and two hours of recitation in groups of thirty.

在一个大的讲堂的教室里，讲三个小时讲座，并以三十人为一组，进行两小时背诵。

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The two astronauts spent more than thirty-one hours on the moon.

VOA: special.2009.07.29

The clunky plot continues to be riddled with implausibilities, and the movie runs a slack two hours and thirty-four minutes.

NEWYORKER: The Firm

Thirty-nine percent said more than five hours every week, 35% said two to five hours a week and 13% said they spent less than one hour a week overworking.

FORBES: New Survey: We're Almost All Overworked But We Don't Really Mind

Thirty-six hours later, on February 25th as Mr Gaviria was about to return, two powerful bombs were detonated near the Spanish embassy and outside the Colombian consulate.

ECONOMIST: Two bombings reveal both timidity and confusion