你有手表吗?
She concedes that six minutes doesn't sound like much. But imagine you have a watch that runs six minutes too fast.
在她总结说,六分钟听起来并不长,但是我们可以想象你有一个快六分钟的钟表。
Before we close today, I thought I'd mention a biological event that's a part of the transition from winter to spring, something you can go outside and watch if you have some patience.
在今天结束之前,我想我要提到一个生物学事件,它是冬春过渡的一部分,如果你有耐心的话,你可以去外面观察。
If you have seen a 3-D movie, you already know that you need special eyeglasses to watch.
VOA: special.2010.01.26
And then of course we could have further investigate whether-- when you reassemble a body, is it more like the watch case or ? is it more like the tower case?
接着我们才可以,更深入地去研究-,当你重组肉体时,情况是更接近手表这个案例,还是搭积木塔这个案例?
Well, it also illustrates that one of the things you do after you introduce a vaccine, you can't stop there, you have to continually watch what's happening with this disease in your population.
同时,也告诉我们,将疫苗推向公众后,你不能就此放手,你必须得继续观察,接种过疫苗的人中,该疾病的发病情况
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