“长橇”怎么读

这些小男孩乘长橇高兴地下山了.The boys bobbed down the hill screaming with pleasure.长橇后来装有轮子,让滑橇的人不用依赖冰面.Wheels were eventually put on the sleds so riders didn't have to depend on ice....

“长橇”的英语可以翻译为：obsled，bobsleigh ...