On the topmost branches the fertile cones are set firmly on end like small casks.

在最顶端的树枝上， 肥沃的球果像小木桶一样牢固地竖立着。

If you put it in a small cask, 660 liters in size, you have a large surface area of wood and very little volume of wine.

如果你把它放在一个660升的小木桶里，你的木材表面积很大， 葡萄酒的体积很小。