Russian astronaut Yuri Gagarin flew into orbit aboard the Soviet spacecraft Vostok I on 12 April,becoming the first man in space.是什么意思_Russian astronaut Yuri Gagarin flew into orbit aboard the Soviet spacecraft Vostok I on 12 April,becoming the first man in space.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句