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

她和当地其他农民开始种植金合欢树，以减少水土流失。

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

而有刺金合欢树更多地长在开阔热带草原中，在，需要保护自己。

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

白色纸桦树或银色白杨树、金合欢树和桉树等树木点亮了夜晚。

Within the savanna, all of the zebras make up the zebra population, all of the acacia trees make up the acacia tree population, and all of the lions make up the lion population.

在这个热带草原里，所有斑马构成了斑马这个种群，所有金合欢树构成了金合欢种群，所有狮子构成了狮子种群。

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

当金合欢树被物啃食时，会迅速产生一种叫做单宁酸化学物质，这种物质会使金合欢树叶子变得倒胃口且难以消化。

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和其他农民正在种植具有健康价值抗旱金合欢树和辣木树。

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

她将被迫离开金合欢树林，给她未代一个可能生存机会。

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

长颈鹿吃金合欢树，因此树不断产生出虫瘿，从而形成了壁虎家。

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

金合欢树扎根于这些土堆中，能够充分利用丰富氮。

The big cat claim advantage point in acacia trees.

大猫在金合欢树上占据了制高点。

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、易受攻击金合欢树更多地生长在林木茂盛地方，且儿聚居着大量捕食者。

The acacia tree needs the ants to protect its leaves and keep it healthy, and in turn, the patas monkey needs those ants and their larvae as food.

金合欢树需要蚂蚁保护树叶，以维持健康状态，另一方面，帕塔斯猴子需要些蚂蚁和幼虫作为食物。

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

因为她对蚂蚁和金合欢树都不会产生威胁，所以蚂蚁容忍她存在。

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

许多金合欢树根部都是非洲白蚁领地。

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

在奥尔佩杰塔保护区大草原区域，响刺金合欢树非常常见。

That the acacia tree is apparently rich with DMT.

棵金合欢树似乎富含DMT。

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

阿拉伯胶是从金合欢树中提取自然树胶。

The acacia tree was on top of a high bluff, but a path ran down the bank in a zigzag way to the water's edge, where Cap'n Bill's boat was moored to a rock by means of a stout cable.

金合欢树在一个高高悬崖上， 但有一条小路沿着河岸呈锯齿状延伸到水边， 比尔船长船通过粗壮缆绳停泊在一块岩石上。

In South Africa the competition for browsing on the higher branches of the acacias and other trees must be between giraffe and giraffe, and not with the other ungulate animals.

在南非，在金合欢树和其他树木高枝上吃草竞争必须在长颈鹿和长颈鹿之间进行， 而不是与其他有蹄类物。

Herds of wildebeest, their dark skin almost shining blue under the bright African sun, passing across great plains and pausing for brief moments of respite beneath the thin acacia trees.

成群角马， 在明亮非洲阳光下， 黝黑肌肤几乎泛着蓝光，穿越广袤平原， 在稀疏金合欢树下短暂停留， 稍作歇息。