bobsleigh-
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。
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It has two types : luge and bobsleigh .
分为有舵和无舵两种。
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Russian bobsleigh federation president Alexander Zubkov said on Tuesday he was " shocked " by the decision .
俄罗斯雪橇联合会主席亚力山大-祖布科夫周二表示，他对（国际奥委会）这一决定感到“震惊”。