VOA慢速英语:Improving 'Feed Efficiency' in Cattle

1. In the United States, the cost of hay, grains and other feed has risen sharply because of a drought.

because of 因为
例句：She left because of hatred.
她离开了因为怨恨。

2. At the same time, wildfires this year burned more than a million hectares of North American rangeland.

more than 多于
例句：Rob likes apples more than bananas. 
罗勃对苹果比对香蕉还喜欢。 

3. To save money, he made plans to truck his small herd of cows three hundred kilometers to feed on crop stubble.

feed on 以…为食，以…为能源
例句：Cattle feed on grass. 
牛以草为食。

4. The University of Idaho has a cattle barn where sensors measure exactly how much food each cow eats.

how much 多少
例句：First off, let' s see how much it' ll cost. 
首先, 让我们看看要花多少钱. 

5. In fact the difference in how efficiently their bodies convert feed into meat, fat, bone and hide might be surprising.

in fact 实际上
例句：They were, in fact, probably used while debugging the software. 
它们事实上很可能是在调试程序时使用的。 

6. "You know, we talk to people who say, 'All I have to do is, is, is look at the candy store and, and I put on three pounds.'

look at 看
例句：Look at that Superman balloon! 
你看那个超人气球 

7.  We don't actually quantify it so precisely in humans, but we know in humans that some people can eat a little and they can put on quite a bit of weight and some people can eat a lot and hardly put on any weight.

put on 穿上
例句：Please put on your jacket.
请穿上夹克衫。