To facilitate its growth, we add soil around the bottom of the stalk.
为了促进作物生长，我们可在茎的周围培土。
Once it reaches the surface of the soil, the slug undergoes another transformation: Most of the cells turn into a stiff stalk, while the others crawl to the top and form a sticky ball of spores.
一旦接触土壤表面，这条“鼻涕虫”就会发生另一种变形：大部分细胞变成一个硬柄，其余则的爬到顶端形成一个黏黏的孢子球。
All by itself the soil produces grain — first the stalk, then the head, then the full kernel in the head.
地生五谷，是出于自然的。先发苗，后长穗，再后穗上结成饱满的子粒。
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