"We have to start doing things that are going to make a difference to change this behavior, because I really don't want to hear about four thousand more kids dying next year."
VOA: special.2010.07.01
As the two armies approach each other, I should make it clear, they start out walking at a certain clip.
当两支军队互相接近,我该说得详细一些,他们疾驰前进
How do we start to make a connection between what we hear and what things mean?
我们怎么能把我们听到的和它们的涵义,联系起来?
It's going to make a lot more sense later on when we introduce mutation into our language, but I want you to start thinking of it that way.
这个功能在我们以后介绍突变的时候,会有更大的作用,但是我想要大家,现在就开始思考它。
It's really been a powerful tool in molecular biology because I might have a very small copy of a gene that I'm interested in and I can make enough copies that I can start to do something else with it.
这确实是分子生物学的一项利器,因为我可能只有,很少量的感兴趣的基因拷贝,而我可以马上制造出足够数量的复制品,能使我用作其他用途
And all of those long notes are coming on the downbeat so that's how we start to hear that as a downbeat and that's how we know to make our hand go down at that point so that's one way.
所有的长音都出现在重拍上,这就是我们怎么判断出重拍,如何判断出该什么时候把手往下摆的,所以那是一条途径
And that certainly wasn't true way back at the start of A, as the fertilized egg first begins to split and multiply, subdivide and make organs.
显然不是在A阶段这么早就开始的,当受精的卵子开始分裂繁殖,继续分裂,形成器官。
应用推荐