Five, four, three, two, one, zero... We have lift-off.
五、四、三、二、一、零… 我们升空了。
You will be pitted against two, three, or four people who are every bit as good as you are.
你将和两个、三个或者四个跟你一样好的人对决。
Still,it is a welcomed vehicle in a country where many families of three or four people ride two-wheeled vehicles.
VOA: special.2009.03.28
How many people vote for that this is a reversible process? I've got one vote back there two votes, three votes, four votes. Anybody else?
有多少人认为,这是一个可逆过程?有一个,两个,三个,四个,还有别的人吗?
If we take nitrogen, we've got N2, and we've got one, two, three, four, five.
比如说氮,我们得到了氮气,我们有一个,两个,三个,四个,五个。
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