搬运木材的一种普遍手法是用马和牛在森林中的滑道和崎岖小路上拉木头。
One popular technique for hauling lumber was to use horses and oxen to drag logs over skid roads and rough tracks through the woods.
畜牧业造成温室气体甲烷的排放，甲烷来自反刍动物的胃，特别是牛，畜牧业还通过增加森林砍伐造成更多二氧化碳的排放。
Livestock farming drives emissions of the greenhouse gas methane, from the stomachs of ruminants and especially cattle, and of carbon dioxide by increasing deforestation.
生活在非洲西部森林和平原上的非常笨重的大个儿大角斑羚羊，看起来不像羚羊，倒更像牛。
The large and very heavy giant eland of forests and plains in western Africa looks more like an ox than an antelope.
每个人离开森林时，带走的不是马，不是牛，不是羊，不是虎，也不是孔雀。他们带走的只是他自己。
Each person to leave the forest, away is not the horses, not cattle, not sheep, not a tiger, not a peacock. They took with them only himself.
羊、牛和马自由地以绿草为食，周围的森林是许多鸟和动物的家园。
Sheep , cows and horses feed freely on the green grass and the forests around are home to lots of birds and animals.
牛、羊和马自由自在地吃着青草，周围的森林就是众多鸟儿和动物的家园。
Sheep, cows and horses feed freely on the green grass and the forests around are home to lots of birds and animals.
在美国、挪威、德国、比利牛斯山和阿尔卑斯山的森林中，伐木工人砍伐的主要是自然生长的树木。
In the forests of America, Norway, Germany, the Pyrenees and Alps, this sort of Labour is largely employed on trees of spontaneous growth.
结果发现，环境污染对树木的生长以及森林牛物量影响较大。
The results showed that forest ecosystem biomass was inhibited by environmental pollution.
结果发现，环境污染对树木的生长以及森林牛物量影响较大。
The results showed that forest ecosystem biomass was inhibited by environmental pollution.
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