常见例句双语例句He threw a summersault on the bed.他在床上翻了一个筋斗。AB: I was 24 years old and at the top of my game when a freak summersault while downhill skiing paralyzed me.阿曼达：我24岁时在生命的最巅峰， 我速降滑雪时不慎摔倒， 我瘫痪了。 返回 summersault