On board with Ansari were Russian cosmonaut Mikhail Tyurin and US astronaut Michael Lopez-Alegria, who were to join German astronaut Thomas Reiter on the station just over 48 hours after liftoff.是什么意思_On board with Ansari were Russian cosmonaut Mikhail Tyurin and US astronaut Michael Lopez-Alegria, who were to join German astronaut Thomas Reiter on the station just over 48 hours after liftoff.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句