/ˈbreststrəʊk ||; ˈbrɛstˌstrok/noun [U] a style of swimming on your front in which you start with your hands together, push both arms forward and then move them out and back through the water 蛙泳；蛙式: to do (the) breaststroke 游蛙泳 ☞Look at backstroke, butterfly and crawl. 参看 backstroke、butterfly 及 crawl。 ☞picture at sport 见sport插图