作为预防措施,宇航员从国际空间站返回后住院治疗。 Astronaut hospitalized after returning from International Space Station as preventive measure.

美国航天局宣布,宇航员在从一个长时间的飞行任务返回国际空间站后,作为预防措施住院治疗。 NASA has announced that an astronaut is hospitalized as a precaution after returning from a lengthy mission to the International Space Station. 有关宇航员身份和具体健康问题的详细情况仍未披露。 Details regarding the astronaut's identity and specific health concerns remain undisclosed. 住院治疗是一项预防性措施,用于监测由于长期停留空间而可能对健康造成的影响,反映了美国航天局对宇航员安全和福祉的承诺。 The hospitalization is a preventive measure to monitor potential health impacts resulting from the extended stay in space, reflecting NASA's commitment to astronaut safety and well-being.