Sleds were improvised from the lids of recycling boxes .

雪橇是由回收箱的盖子做的。

Inuit hunters are finding the sea ice too thin to bear their sleds .

因纽特猎人发现海面上的冰层太薄了不再能承载他们的雪橇。

Throat harnesses have been used throughout the world to harness horses to carts and sleds .

咽喉马套在全世界都广泛用于驾驭马拉车和雪橇。

An earlier spring brings flowers to the sheltered valleys around the village but causes problems for seal and fish hunters , who need firm ice on which to run their dog sleds .

早春让这个小村周围幽静的山谷里开满了鲜花，但却给那些捕捉海豹和鱼的猎人们带来了问题，他们需要厚厚的冰层来驾驶狗拉雪橇。

Climate change is already leading to a noticeable reduction in seal numbers and the ice will soon become so thin that it will be impossible to use dog sleds .

气候变迁已经导致海豹数量明显减少，很快冰面将变薄，不再能够使用狗拉雪橇。