胚 的中文句子和英文句子

外胚乳包在种子胚芽外，产生于细胞核的营养性组织

The nutritive tissue that is derived from the nucleus and surrounds the embryo of the seed.


超声波扫描术利用超声波来显示耳体结构或胚胎发育情况的诊断用的成像法

Diagnostic imaging in which ultrasound is used to visualize an internal body structure or a developing fetus.


有生源说，胚种论一种学说，认为来自宇宙空间的微生物或生物化学物是地球上生命的起源，并且在宇宙的其他部分可能有适合的大气状况存在

The theory that microorganisms or biochemical compounds from outer space are responsible for originating life on Earth and possibly in other parts of the universe where suitable atmospheric conditions exist.