bobsled的复数形式怎么写

Jungle River Boat Safari, Tom Sawyer island and Bobsled Runs , I think, are all fascinating.我最欣赏乘小船在森林河道中穿梭探险, 游览汤姆莎耶岛和乘坐雪橇.But the players don't use skate, they use bobsled and hurtle down twisting course.但运动员不是穿冰鞋...

bobsled的音标：bobsled的英式发音音标为：['bɒbsled]bobsled的美式发音音标为：['bɑbˌslɛd]...

n.长橇...