until recent times,unknown to man.怎么翻译呢?

until recent times,unknown to man.怎么翻译呢? operation times to the seconds怎么翻译 请问I wanted to be a man,and a man I am该怎么翻译呢? in recent times? 翻译According to a recent survey ,four some times 怎么翻译? times square怎么翻译 (STOP:doooo14 Unknown Hard Error Unknown Hard Error)这句话怎么翻译? l have been to beijing some times 怎么翻译 From Easy Street (1917) to Modern Times (1936) .怎么翻译 At times they go to the cinema 怎么翻译? until the question came round to them怎么翻译?