One sign of multiple sclerosis is losing the ability to speak clearly.
VOA: special.2009.01.06
But I expect that like many of our students here that's just one of multiple affinity groups you might have chosen to become part of.
但,我说的没错的话,跟许多别的学生一样,那只是你能够选择的,许多兴趣小组之一。
There are multiple mechanisms that a cell can use to decide which genes it is expressing at any one time and which ones are not expressed.
在某一时刻,决定细胞中哪些基因表达,哪些基因不表达的机理十分复杂
You can't have just one copy; you have to have multiple copies.
你不是只有一份副本就够了;,你得有很多份才行。
Now, we know from the work in the Bystander effect that in general which one are we more likely to help in, when we're the only person or multiple?
我们从旁观者效应的实验中知道,我们在哪种情景上更可能出手相救,一个人,还是有其他人时?
So given that we only have one five dollar bill does there have to be one unique winner, and if so, how is that determined if we have multiple people who are That's a good question. If there's multiple winners, we'll divide it but we'll make sure everyone has a positive winning.
现在那里只有一张5美元钞票,是不是说只有唯一的赢家啊,要是这样,怎么确定谁是赢家,好的,要是有多个赢家,我们会平分奖金的
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