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Chinese astronauts successfully carried out the country's first spacewalk outside their space station—a 【小题1】 (significance) milestone in its rapidly expanding space program.
The spacewalk is only the second by Chinese astronauts since the Shenzhou 7 manned mission (任务) of 2008, which 【小题2】 (conduct) outside a spacecraft.
China launched three astronauts into space in June. On Sunday morning, two of them left the core module(核心舱) of the space station called Tiangong. During 【小题3】 spacewalk, they tested new-generation spacesuits, fit equipment, and tested the station's robotic arm.
According to the plan, there 【小题4】 (be) another spacewalk during the astronauts' orbital flight, 【小题5】, lasting three months, will be China's longest crewed mission.
As part of its plans to have a 【小题6】 (full) crewed space station by December 2022, China launched the first core module, known 【小题7】 Tianhe or Harmony of the Heavens, on April 29. The module is the largest spacecraft developed by China to date, with a total length of 16. 6 meters and a 【小题8】 (live) space of 50 cubic meters.
While China is not considering foreign participation in the space station's 【小题9】 (develop) now, non-Chinese astronauts will certainly be welcomed in the years 【小题10】 (come).