It is a long time but you can walk up and down the train and get out at some of the stations.
虽然时间很长，但是你可以在火车里走来走去，或者当火车停站时，下车走一下。
The only life was taking place inside the train as passengers constantly changed seats and squeezed up and down its crammed, narrow walkway to chat to friends and strangers.
只是在火车上才有生命的迹象。乘客们不断调换座位，在狭窄拥挤的走廊上挤来挤去，去和朋友或陌生人聊天。
The chamberlains who were entitled to carry the train, bowed down so as to lift up from the floor with their hands. They strode along, and behaved as though they held something in the air.
排在队列前面的侍从们弯下了腰，从地板上举起手来，他们大步向前走，好像在空气中托着什么。
Running down a dune is easier than trekking up it, especially when you bound in great leaps and fly through the air. We return to the train for showers and coffee like happy Bedouins.
这里也是一个好玩的地方，奔下沙丘要比跋涉向上容易得多，特别是你大步跨越时，飞越空中的时候。
"You can be Nerdock" (his hilarious pronunciation of Murdoch), he said, offering up his favorite train if I would just get down on the floor and vroom trains with him.
“你可以做Nerdock(这是他对Murdoch的滑稽发音)”他说。他举起他最爱的小火车，就像我就会下来陪他呜呜的发动小火车一样。
Born on 17 June 1898, he grew up in Combe Down, near Bath, and left school at the age of 15 to train as a plumber.
派奇出生于1898年6月17日，他在毗邻巴斯市的库姆长大，15岁离校后经培训曾成为一名水管工。
Slowly the young man stood up, dropped his cigarette on the floor, and disappeared down the train.
慢慢地那个年轻人站了起来，把烟头扔在地上，然后消失在火车另一端。
He paced up and down (the platform), waiting for the train.
他(在月台上)踱来踱去等候火车。
He tramped up and down the platform waiting for the train.
他脚步沉重地在月台上走来走去，等候火车。
Scheduling model of using up-and-down lines is set up by analyzing the characteristics of time intervals set that train use up-and-down lines.
通过分析列车占用到发线的特性，建立到发线运用问题的排序模型。
Scheduling model of using up-and-down lines is set up by analyzing the characteristics of time intervals set that train use up-and-down lines.
通过分析列车占用到发线的特性，建立到发线运用问题的排序模型。
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