Russian space scientists announced on Thursday a new breakthrough in a long pedigree of firsts: the birth of 30 grandchildren of a "space cockroach" who spent 12 days in orbit.
俄罗斯太空科学家于本周四宣布了一项动物试验的最新突破：曾经在太空遨游12天的“太空蟑螂”有了30个孙辈。
Russian space scientists announced on Thursday a new breakthrough in a long pedigree of firsts: the birth of 30 grandchildren of a "space cockroach" who spent 12 days in orbit.
俄罗斯太空科学家于本周四宣布了一项动物试验的最新突破：曾经在太空遨游12天的“太空蟑螂”有了30个孙辈。
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