The koala diet consists almost entirely of eucalyptus leaves.

考拉的食物几乎全都来自于桉树叶。

They are herbivores and eat almost exclusively eucalyptus leaves.

它们是食草动物，并且几乎只吃桉树叶。

One of the main challenges is finding the right eucalyptus leaves for them to eat.

其中一个主要的挑战是找到合适的桉树叶供它们食用。

The majority of a koala's water intake comes from eating fresh eucalyptus leaves.

考拉的大部分饮水来自吃新鲜的桉树叶。

The Koala has adapted its digestive system to derive all the energy it needs from eucalyptus leaves.

考拉的消化系统能从桉树叶获取身体所需的所有能量。

Koalas usually sleep between 18 and 22 hours a day—it takes a lot of energy to digest eucalyptus leaves.

考拉通常每天睡18到22小时，因为消化桉树叶需要很多能量。

Koalas almost exclusively eat eucalyptus leaves.

考拉几乎只吃桉树叶。

It's right there munching on some eucalyptus leaves.

它就在那儿咀嚼着一些桉树叶。

I want the organic eucalyptus leaves this time.

我现在要有机的桉树叶。

The young spiders hatch in mid-spring or early summer, inside a nest of eucalyptus leaves.

幼蜘蛛在仲春或初夏孵化，在一窝桉树叶中孵化。

Eucalyptus leaves are very thick and leathery so koalas have evolved tools to make the most out of their meals.

桉树叶非常厚且坚韧，因此考拉进化出了工具来充分利用食物。

It's useful to us humans too, because we can kill germs with a disinfectant made from oil extracted from eucalyptus leaves.

它对于人类也同样有用，因为我们可以使用一种由桉树叶中所提取的精油来制作消毒剂来杀死细菌。

Eucalyptus leaves are poisonous to most animals, but koalas have an extra-long digestive system that allows them to break down the leaves without being hurt by the poison.

桉树叶对于大部分动物来说是有毒的，但考拉拥有超长的消化系统，这让它们能够轻松分解树叶而不被毒性所伤到。

When it's time for baby koalas to give up milk and start eating eucalyptus leaves, its mother releases a fluid called pap from...well, let's just say it's not from her mouth...the youngster eats right up.

当小考拉要断奶，开始吃桉树叶的时候，它的妈妈会释放出一种叫做pap的液体，先忽略是从她的嘴里出来的… … 小考拉马上就吃了。

Or could it be their laid-back appearance due to the fact that they are herbivores and mainly feed on juicy eucalyptus leaves, which take a lot of time and energy to digest.

或者是因为它们是食草动物，主要以多汁的桉树叶为食，需要花费大量时间和精力来消化，所以它们看起来悠闲自在。