雪橇

Because the Arctic is covered with ice and water, he would sometimes have to sit on his sledges and use them like a boat!

因为北极圈布满冰和水，他会有时必须坐在他的雪橇上而且使用他们喜欢一艘船！

In spring it's difficult for the reindeer to pull the sledges.

因此，春天，驯鹿拉雪橇很困难。它们很疲惫。

Once upon a time two peasants attempted to pass each other and their sledges became entangled.

有一次，两个农夫正要交臂而过，他们的雪橇却勾在一起了。

They are pulling their sledges themselves .

他们自己正拉着雪橇前进。

Trains of five hundred sledges are put together to cross those parts in safety.

一列列五百辆的小型雪橇聚在一起，为的是安全地横越过那些地区。

He was planning to walk to the North Pole all by himself, pulling his food, tent and other things behind him in two sledges.

他正在计划独自走路去北极全部，在他之后在二座雪橇中拉他的食物，帐篷和其他的事物。

Nowadays, with the motor-powered sledges, it only takes them less than 20 minutes to complete the patrol of the section of border they are responsible for.

现在好了，驾驶摩托雪橇用不了20分钟，就能把管辖的路段巡逻完毕。

The first day they had travelled on snow that had been hardened by many sledges and they covered sixty kilometres.

第一天，他们在雪地里奔波，雪已经被数白条雪橇碾过，压得结结实实的，他们赶了60公里路。

They had a very singular appearance in their rough, hairy dresses of fur, and riding in sledges over the ice.

他们坐着用冰块制作成的雪橇，运输大捆的兽皮，好使他们的雪屋能够铺上温暖的地毡。

He took sleds and dogs with him.

他时时带着他的雪橇和狗。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。