全部

1·Here they wait out the frozen months, feeding mainly on sagebrush blown clear of snow.

它们在这里度过冰天雪地的几个月，主要以被雪刮掉的灌木蒿为食。

2·They keep sagebrush under control.

他们使山艾树的数目受到控制。

3·The main staple for their grazing is sagebrush.

主要的原料给它们牧草是山艾树。

4·While that's good for sagebrush; it's not good for its plant neighbors.

虽然这样对山艾树比较好，但是对邻近的植物造成威胁。

5·While that's good for the sagebrush; it's not good for its plant neighbors.

虽然这样对山艾树比较好，但是对邻近的植物造成威胁。

6·In the unheated natural area, sagebrush is a source an army of thirsty insects.

在没有加热的自然区域，山艾树是很多昆虫的水源。

7·Fire and wind raged all around, snapping juniper trees and incinerating the sagebrush.

四周风火肆虐，猛咬着杜松树，把山艾树烧成了灰烬。

8·But just a few feet away, sagebrush under the heater grows far better with fewer bugs.

但是就在几英尺之外，收到加热的山艾树生长状况好很多，虫子很少。

9·much more rapidly, we found that the heating is causing profuse growth of the sagebrush.

我们发现，加热使山艾树生长速度过快。

10·In the unheated natural area, sagebrush is a source of moisture for an army of thirsty insects.

在没有加热的自然区域，山艾树是很多昆虫的水源。

山艾树

1·If global warming, or long-term climate change, does increase the year-around temperature here just a few degrees, John Hart predicts, in decades to come, flowers could be crowded out by sagebrush.

John Hart预测，如果全球变暖或者长期的气候变化导致这里的全年平均气温升高几度，未来的几十年之内，鲜花会被山艾树吞噬。

2·The main staple for their grazing is sagebrush.

主要的原料给它们牧草是山艾树。