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<正>主题语境：人物篇幅：335词关键词：record, longest, space 1 Chen Dong has set a new record for the most cumulative(累积的) days living and working in space by a Chinese astronaut.The China Manned Space Agency said that the two-time space traveler, who was onboard China’s orbiting Tiangong space station, has become the first Chinese to stay in orbit for more than 200 days.
