胚种，汉语词汇，拼音为pēi zhǒng，指植物生长发育的种子。
记忆它们的是被子植物和裸子植物等胚种。
What recorded them were embryos of angiosperm and gymnosperm.
研究人员打算研究：微生物是否可以在星际旅行中存活，并据以评估胚种说存在的可能性。
Researchers plan to evaluate the likelihood of panspermia by studying whether microorganisms can survive an interplanetary journey.
研究者们在神经板形成前，从“阶段3”的鸡胚种移植了一些细胞，种植在非诱导性培养物中。
The researchers grew grafts of cells from "stage 3" chick embryos, before the neural plate formed, in non-inducing cultures.
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