科学家们将这种珍稀植物置于深度冷冻休眠状态以保存其基因。

Scientists placed the rare plant in ___cryostasis to preserve its genes.

宇航员在长途太空旅行中可能会使用冷冻休眠技术。

Astronauts may use ___cryo-stasis technology during long space voyages.