Sun Yang was the first swimmer to win the 400/1500 freestyle double since Vladimir Salnikov at the 1980 Olympics in Moscow.这里的double 是什么意义,求指导

Sun Yang washes the clothes on Saturdays.改为一般疑问句. Sun Yang washes the clothes on Saturdays.肯定回答. Sun Yang washes the clothes on Saturdays.否定的回答 Sun Yang was on world record pace in the __(最后的）50 meters and broke the Olympic record.final,可以用last吗,如不行,为什么? the sun was setting是什么意思? Sun Yang was the first swimmer to win the 400/1500 freestyle double since Vladimir Salnikov at the 1980 Olympics in Moscow.这里的double 是什么意义,求指导 The sun was went to down Yang Liwei was the first Chinese-----(fly) to space. Sun Yang is the most successful male swimmer in olympic history in China求翻译 Was Dr Sun Yatsen the father of the modern China the sun was well up in the sky 中文意思 the sun was red in the dark sky.翻译 The reflection of the sun was blinding翻译 was Dr Sun Yatsen the father of moden I woke up as the sun was rising求翻译 By midday the sun was very strong是否正确 the sun was shinning b___ over his hand. was Dr Sun Yatsen the first president of china?was Dr Sun Yatsen the first president of china?怎么回答,