By and by a little oak tree began to grow from the acorn.

不久以后，一颗树就从子里长出来了。

The second English saying I wanted to teach you is the saying mighty oaks from tiny acorns grow.

我想教给你第二句英语谚语子长出树。

Keep the glass in the dark till the acorn begins to sprout, and then you may place it on your mantel-piece and watch it slowly change into a little oak-tree.

你需要将瓶子放在黑暗处, 直到子开始发芽。随后, 就可以把它放在壁炉架上, 看着它逐渐成长为一棵树。