NASA astronaut Chris Williams, who spent 241 days on the International Space Station, traveled 102 million miles. He described a very unusual day when the crew prepared for a possible evacuationevacuation/ɪˌvæk.juˈeɪ.ʃən/L2撤离，疏散The process of moving people from a dangerous place to a safe place.. Two Russian cosmonauts were fixing an air leak outside the station, and mission control ordered the crew to shelter in a Dragon spacecraftspacecraftL1能够在太空中航行的飞行器a craft capable of traveling in outer space. They put on spacesuits and waited for two hours. Williams said it was not a great feeling because his friends were doing the dangerous work.
The crew fell back on their trainingtraining/ˈtreɪnɪŋ/L1训练learning how to do something and knew exactly what to do. They had planned for this situation. If there was a real emergencyemergency/ɪˈmɜːr.dʒən.si/L2紧急情况A serious situation that needs immediate action., they would escape quickly. The alert lasted for two hours, and then everyone was safe. During his missionmission/ˈmɪʃ.ən/L2任务，使命An important job or duty that someone is sent to do., Williams completed two spacewalks and worked on research for new cancer treatments.
However, the United States and Russia continue to work together on the ISS. They cooperatecooperate/koʊˈɑː.pə.reɪt/L2合作To work together with someone to achieve a goal. on the station despite tensionstensions/ˈten.ʃənz/L2紧张关系Feelings of anger or disagreement between people or countries. between the two countries. This cooperation allows astronauts from both nations to fly together on the same spacecraft. Working together in space helps both countries learn and explore.
