- but not for eating.
不过这不是为了填饱肚子 - She's building a nest.
而是为了筑巢 - Each piglet may be small enough to fit in the palm of a hand,
每一只小猪都小得可以放在手掌心上 - but she does have 10.
但母猪确生了有10只小猪 - This is how grass can grow, given unlimited sunshine and water.
这里让我们见识到了如果有足够的阳光和雨水 草能够长到什么程度 - But on most tropical plains across our planet, the wet season is followed by a dry one.
然而地球上的绝大多数热带草原 在经历雨季后总是要经历旱季的 - 0n the African savannahs,
在非洲的稀树大草原上