神经管可能诱导其他胚胎结构的形成。
The neural tube then might induce the formation of still other embryonic structures.
最成功的陆生植物群体是那些进化出了受精性细胞散布方法的群体，这些方法不依赖于水和防止发育中的胚胎干涸的结构。
The most successful groups of land plants are those that evolved methods of fertilized sex cell dispersal that are independent of water and structures that protest developing embryos from drying out.
人类是不对称的动物，在我们胚胎发育的早期，心脏就转向了左边，肺则往右长，而且左、右肺具有完全不同的结构。
Humans are asymmetric animals. Early in our embryonic development, the heart turns to the left. The liver develops on the right. The left and right lungs have distinct structure.
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