楊利偉外太空聽到詭異敲擊聲 細思恐極

China's first astronaut says he heard mysterious knocks during his first flight in space - but no one has been able to explain the cause of them.

中國第一名宇航員稱其第一次宇宙飛行時聽到神祕的敲擊聲，但沒有人能解釋原因。

Astronaut Yang Liwei said the strange noises left him feeling very nervous and he looked out into the vast emptiness of space but couldn't see anything out of the ordinary.

宇航員楊利偉說，奇怪的噪音讓他焦慮，他朝浩瀚宇宙望去，但沒看到任何異樣。

In 2003 Mr Yang became the first person sent into space by the Chinese space programme, orbiting earth several times during a 21-hour flight.

2003年，楊利偉因中國宇宙項目成爲中國進入宇宙的第一人，在長達21小時的飛行中，環繞地球數圈。

He recalled the experience in a recent interview, telling Chinese media the mysterious knocking sounds occurred without rhyme or reason.

他在近期訪談中回憶起這次經歷，和中國媒體談起了這莫名其妙啊的敲擊聲。

Mr Yang revealed he was very nervous when he heard the sounds and moved close to the spaceship's porthole to investigate the cause.

楊利偉袒露他聽到聲音的時候很焦慮，湊近宇宙飛船的門洞調查原因。

When he returned to earth he explained the noises to officials with the space programme and tried to imitate it with instruments.

他回地面後，他和宇宙項目的官員解釋了噪音，試圖用器具模仿聲音。

Mr Yang says the cause of the strange noises has never been established. He failed to see anything out of the ordinary.

楊利偉稱這奇怪的噪音從何而來一直都沒有說法。他也看不出有什麼異樣。