宇航员在第二次太空行走中奋力完成了哈勃空间望远镜的至关重要的修复。
Astronauts have struggled to complete the most critical repair to the Hubble space Telescope in a second spacewalk.
“发现”号航天飞机的宇航员们完成了他们任务清单上的另一项任务——第二次太空行走。
Astronauts aboard the space shuttle Discovery can cross another item off their "to-do" list: a second spacewalk.
S4 的激活操作将会持续到STS-117的第二次太空行走中，这次太空行走预定在星期三的下午开始。
S3/S4 activation activities will continue during STS-117's second spacewalk, slated to take place Wednesday afternoon.
航天飞机和空间站的成员正在忙着准备这次任务的下一项太空行走作业。该项作业在经历第二次推后后定在了周六。
Shuttle and station crew members are busy preparing for the mission's next spacewalk, pushed back for a second time to Saturday.
美国“发现号”航天飞机的宇航员史蒂夫·鲍文和阿尔文·德鲁正在进行两次太空行走中的第二次，也是最后一次。正在执行最后一次使命的“发现号”航天飞机目前停靠在国际空间站。
American astronauts Steve Bowen and Alvin Drew are taking the last of two spacewalks of the final mission of the U.S. space shuttle Discovery, which is docked at the International space Station.
美国“发现号”航天飞机的宇航员史蒂夫·鲍文和阿尔文·德鲁正在进行两次太空行走中的第二次，也是最后一次。正在执行最后一次使命的“发现号”航天飞机目前停靠在国际空间站。
American astronauts Steve Bowen and Alvin Drew are taking the last of two spacewalks of the final mission of the U.S. space shuttle Discovery, which is docked at the International space Station.
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