The idea already existed in embryo in his earlier novels.

这个想法在他早期的小说中已初见端倪。

《牛津词典》

The project was barely in embryo.

该计划只是个雏形。

《新英汉大辞典》

That project is also in embryo.

那项工程也在计划酝酿中。

youdao

What's shown in this diagram is the progress of the developing embryo as it travels in time, down the fallopian tube.

这张图上显示的,就是胚胎发育的过程,是按照它在输卵管中移动的时间排序的

耶鲁公开课 - 生物医学工程探索课程节选

And unfortunately, in order to get those stem cells, that requires killing the embryo.

而不幸的是，要想得到这些干细胞，就需要杀死胚胎。

干细胞和伦理 - SpeakingMax英语口语达人

They're controversial, I think for obvious reasons, because you have to sacrifice an embryo in order to get them.

这些研究极富争议,我想原因很明显,因为你必须牺牲一个胚胎来取得干细胞

耶鲁公开课 - 生物医学工程探索课程节选

Still in embryo, the ideas include data systems that allow drivers to map the fastest and most eco-friendly routes.

CNN: South Korea and Japan streets ahead in smart transport

This was how simple chemical gradients in an embryo could result in complex body patterns.

ECONOMIST: Genetic engineering

While the downturn chokes spending for Google's major competitors, it may also cut off funding for potential foes in their embryo stages.

FORBES: Magazine Article