常見(jiàn)例句The spacewalk, conducted by Chris Cassidy and Tom Marshburn, lasted four hours and 54 minutes. 這次太空行走持續(xù)了4小時(shí)54分鍾，由宇航員尅裡斯托弗?卡西迪和湯姆?馬什伯恩完成。 返回 Marshburn