She and other area farmers began planting acacia trees to help reduce soil erosion.

她当地其他农民开始种植金合，以减少水土流失。

Trees like paper birch white or silver poplar, acacia and eucalyptus light up the night.

白色的纸桦或银色的白杨、金合桉等木亮了夜晚。

At the base of many of these acacias are colonies of African termites.

许多金合的根部都是非洲白蚁的领地。

The acacias' roots are boring under the mounds, tapping into a rich well of nitrogen.

金合扎根于这些土堆中，能够充分利用丰富的氮。

The big cat claim advantage point in acacia trees.

猫在金合上占据了制高。

But the thorny acacia are more numerous on the open savanna, where they need to defend themselves.

而有刺的金合更多地长在开阔的热带草原中，在那，它们需要保护自己。

And as a result, the thorn-free, vulnerable acacia are more plentiful in woody areas with plenty of predators.

结果显示，没刺的、易受攻击的金合更多地生长在林木茂盛的地方，且那儿聚量捕食者。

She will be forced to abandon the acacia to give her future offspring a fighting chance of survival.

她将被迫离开金合林，给她未来的后代一个可能的生存机会。

Because she isn't a threat to either them or the acacia, the ants mostly ignore her.

因为她对蚂蚁金合都不会产生威胁，所以蚂蚁们容忍她的存在。

The giraffe eats the acacia tree, so it continually produces those galls which form the geckos' home.

长颈鹿吃金合，因此不断产生出虫瘿，从而形成了壁虎的家。

Here in eastern Tunisia, Sghaier and fellow farmers are growing drought resistant acacia and moringa trees valued for their health properties.

在突尼斯东部，Sghaier其他农民正在种植具有健康价值的抗旱金合辣木。

In the savannah areas of Ol Pejeta Conservancy, the whistling thorn acacia is very common.

在奥尔佩杰塔保护区的草原区域，响刺金合非常常见。

And that the burning bush was most likely an acacia tree.

而且燃烧的荆棘很可能是一棵金合。

That the acacia tree is apparently rich with DMT.

那棵金合似乎富含DMT。

So gum arabic is the natural sap that comes from acacia trees.

阿拉伯胶是从金合中提取的自然胶。

Acacia trees are an iconic site across the African Savannah.

金合是整个非洲草原的标志性景观。

Acacia trees look like that because that's how high a giraffe can reach.

金合之所以看起来那样，是因为长颈鹿可以长到那么高。

However, as the acacia ant is pushed back further, acacia trees are left vulnerable to elephant attacks.

然而， 随金合蚁被进一步逼退，金合变得容易受到象的攻击。

Some Acacias are a little meaner than others.

有些金合比其他金合稍逊。

When acacia trees are grazed by animals, they quickly react by producing chemicals called tannins, which make their leaves unappetizing and tough to digest.

当金合被动物啃食时，它们会迅速产生一种叫做单宁酸的化学物质，这种物质会使金合的叶子变得倒胃口且难以消化。