Before silos were invented, cows gave less milk during winter because they had no green grass to eat.
筒仓发明之前，因为没有青草可以吃，奶牛在冬天产奶量减少。
For a start, all animals, such as cows, pigs and sheep, always gas limed methane, which is the second most common green house gas after carbon dioxide.
首先，所有的动物，如牛、猪和羊，总是排出石灰甲烷气体，这是继二氧化碳之后第二常见的温室气体。
Whenever it got hot, they would take their cows up to a cool, green pasture in the mountains. Usually they stayed there with the cows all summer.
每到天热的时候他们就把牛群赶到山里凉快的牧场去，而且通常一呆就是整个夏天。
Green Yan Yan, picturesque, isolated flower cows leisurely contentment, which is a thriving ranch, writing the legend of the green.
绿草茵茵，风景如画，零星花乳牛悠闲自得，这是一片生机勃勃的牧场，书写着绿的传奇。
Embankment, the green grass, cows and sheep flocks.
河堤下，绿草如茵，牛羊成群。
The view was great. Everything was green and full of black and white cows with big bells around their necks.
景色美极了，满眼都是绿色，随处可见脖子上系着大铃铛的奶牛。
Sheep , cows and horses feed freely on the green grass and the forests around are home to lots of birds and animals.
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。
Cows and sheep eat green grass.
牛和羊吃绿色的草。
It includes advice on the following subjects growing green vegetables and fruit trees, keeping cows, sheep and fish in lakes.
它包含了如下方面的建议：种植绿色蔬菜和果树栽培，牛羊的饲养和湖泊养雨。
Therefore, establishing high-efficiency green forage supply system has become the active demand of cows scale enterprises already.
因此，建立高效率的青饲料供应体系已成为奶牛规模养殖企业的迫切需求。
It includes advice on the following subjects: growing green vegetables and fruit trees, keeping cows and sheep, and keeping fish in lakes.
这本书包括下列有关问题的建议：种植蔬菜与栽培果树、饲养牛羊及湖塘养鱼。
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.
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。
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