当宇航员在太空行走时，他们会使用安全绳以保持他们与飞船的距离。
When on a spacewalk, astronauts use safety tethers to stay close to their spacecraft.
苏雷耶夫和远征22的指挥官杰弗雷·威廉姆斯是首先使用新对接口的人，1月21日他们将联盟TMA-16飞船从星辰号服务舱尾部接口移泊于此。
Suraev and Expedition 22commander Jeffrey Williams were the first to use the new docking portwhen they relocated their Soyuz TMA-16 spacecraft from the aft port ofthe Zvezda Service Module on Jan. 21.
还是使用上面的例子：假设飞船是用点燃推进器来加速的，飞船上的乘客粘贴在飞船的地基上，就像他们站在地球上一样。
To stick with the above example: imagine the spaceship speeds up by firing its thrusters. Those onboard will stick to the ground just as if they were on Earth.
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