somersault的现在完成时怎么写

n.翻筋斗，（意见、观点、态度等）180度的转变vi.翻筋斗...

somersault的音标：somersault的英式发音音标为：['sʌməsɔ:lt]somersault的美式发音音标为：['sʌmərsɔlt]...

He did a brilliant backward somersault.他翻了个漂亮的后翻跟头.I turned a somersault on the lawn.我在草地上翻了个跟头.He turned a somersault.他翻了个筋头....

somersault的一般过去时为：somersaulted...

somersault的现在进行时为：somersaulting...

somersault的第三人称单数（三单）为：somersaults...

somersault的复数形式为：somersaults...

In the last 30 years, both sexes have performed a somersault in terms of expectations, roles and relationships.最近 30 年里，男性和女性在个人期望、社会角色和人际关系方面都发生了 180 度的大转变。What worries some of us is that the Prime Minister may feel sim...