Fires thin out the dense, flammable undergrowth.

野火使原本茂密、易燃树变得稀疏。

Hunting almost entirely by sound, owls eavesdrop on the scurrying in the undergrowth.

猫头鹰几乎全靠声音捕猎，它们留心倾听灌木动静。

Low rainfall, unusually stronger winds, accumulation of dry undergrowth the caused fire to be so massive.

比如，降水少、罕见大风，及干燥低层植被聚集导致了那次大火规模空前。

Some water distilled over the rocks from the moist undergrowth.

岩石潮湿草使岩石上渗出水滴。

Previous fire management regimes allowed the undergrowth to build up.

前火灾管理制度允许层灌生长。

This undergrowth becomes tangled together and is extremely difficult to walk through.

这些灌木枝叶纠缠，极其难穿行。

The water absorbed into the wood fosters the creation of life in the undergrowth.

那些贮存来水分不仅满足了众多林生物生长。

A giraffe mother's next best defense is to hide her babies in the undergrowth.

母长颈鹿第二招就是将幼崽隐藏在灌木众中。

If your ancestors spotted movement in the undergrowth, they would run first and grunt questions later.

我们祖先发现灌木中有动静时，都会先跑起来，然后再咕哝着问问题。

It organised scores of local volunteers to remove undergrowth to find the original outlines of the installations.

基金会组织了大量愿者清除矮木，弄清那些装置原本轮廓。

It organized scores of local volunteers to remove undergrowth to find the original outlines of the installations.

它组织了一些愿者清除灌木，找到这些装置原始轮廓。

The bison push their way through dense undergrowth creating light and space for other wildlife to thrive.

欧洲野牛在茂密灌木中穿行，为其它野生动植物繁衍生息带来阳光和生存空间。

He became observant, guarded, watchful, keeping to the edge of the path where the undergrowth slightly obscured him.

他变得敏锐、谨慎、警惕，一直守在灌木稍稍遮住他小路边上。

If you assume there is nothing in the undergrowth and a leopard jumps out, you are in trouble.

但如果你假定灌木里什么都没有，然后一只豹子跳了出来，那么你就有麻烦了。

Then they came to a place where the undergrowth thickened and they had to pass nearer to it.

然后他们来到一个灌木茂密方，并且不得不走到它近处。

Patches of hopeless brambles, fallen trees, boggy places and dense undergrowth would be always getting in your way.

大大根本进不去荆棘，倒了大树，沼泽，及茂密低矮林，不时在前面挡住去路。

He could hear the crashing of their bodies through the undergrowth, and the noises they made in the night.

他还能听到它们身体穿过树时发出嚓嚓声, 及它们在黑暗中发出嘈杂声。

In the mountains of Chile, a guigna, the smallest cat in all the Americas, hunts moths amongst the undergrowth.

智利山区一只南美林虎猫，全美洲最小猫科动物，在灌木中捕食飞蛾。

They rootle up the undergrowth left over from selective grazing.

他们把选择性放牧留灌木连根拔起。

Suddenly, a rustle flushes birds from the undergrowth and a fox appears.

突然，一阵沙沙声惊动了灌木中鸟儿，一只狐狸出现了。