bobsleigh

noun

1. 大雪橇（供两人或以上比赛用）
   a racing sledge (= a vehicle for two or more people that slides over snow)

1. （滑雪比赛用的）雪橇
   A bobsleigh is a vehicle with long thin strips of metal fixed to the bottom, which is used for racing downhill on ice.

in AM, use 美国英语用 bobsled

1. Vast halls are filled with endless hands-on experiments for children-and adults-such as understanding how a bobsleigh works and designing their own electrical circuits.
   大厅里到处是为儿童和成人准备的动手实验，例如了解大雪橇的运作原理，设计自己的电路等。
2. It has two types: luge and bobsleigh.
   分为有舵和无舵两种。

noun

1. a long racing sled (for 2 or more people) with a steering mechanism

   Synonym:    bobsledbob

2. formerly two short sleds coupled together

   Synonym:    bobsled