There is no clear dividing line between what is good and what is bad.
是非之间没有明确的界限。
Cancers are another exception, because their cells are rapidly dividing.
癌症是另一个例外，因为它们的细胞在迅速分裂。
Because telomeres protect the ends of chromosomes to stop cells dividing.
因为端粒保护染色体末端，阻止细胞分裂。
Telomerase is an enzyme that is produced only in cells that are actively dividing.
端粒酶是一种只在活跃分裂的细胞中产生的酶。
The results and their implications are dividing even the researchers who uncovered them.
甚至连发现它们的研究人员也在研究结果及其意义上存在分歧。
The Roman Senate, in the late part of the Republic started dividing itself into two sort of parties.
罗马元老院在共和国晚期开始分裂为两个派。
Those dividing lines come crashing down with the discovery of a sea slug that's truly half animal and half plant.
这些分界线随着海蛞蝓的发现而崩塌，它是真正的半动物半植物。
It is the oldest bridge across the canal, and was the dividing line between the districts of San Marco and San Polo.
它是横跨运河的最古老的桥，也是圣马可和圣保罗区之间的分界线。
They hypothesize that language diversity must be about history, cultural differences, mountains or oceans dividing populations.
他们假设，语言多样性一定与历史、文化差异、山脉或海洋分隔人口有关。
Now, there are some cells that just seem to keep on dividing regardless, which may not always be a good thing if it gets out of control.
现在，有些细胞似乎不管怎样都在继续分裂，如果失去控制，这可能不是一件好事。
As the new markets created fortunes for the few, the factory system lowered the wages of workers by dividing labor into smaller, less skilled tasks.
由于新兴市场只给少数人创造财富，工厂体系不得不通过将劳动分割成更小的、技术含量更低的工作来降低工人们的工资。
It seems that, by looking at the length of the telomeres on specific Chromosomes, we can actually predict pretty much how long certain cells can successfully go on dividing.
看起来，当通过观察特定染色体上的端粒长度，我们实际上可以预测某些细胞能够成功分裂多久。
Nicholas Carr, author of The Shallows: What the Internet Is Doing to Our Brains, wrote, "The net is designed to be an interruption system, a machine geared to dividing attention."
《浅薄：互联网如何毒化了我们的大脑》一书的作者尼古拉斯·卡尔写道：“网络被设计成一个中断系统，一台用来分散注意力的机器。”
There's a very thin dividing line between joviality and hysteria.
快活和歇斯底里间的界线十分模糊。
The river was chosen as a dividing line between the two districts.
两个地区以这条河流为界。
The Action Group worked by dividing its tasks among a large number of subgroups.
行动小组将任务分配给多个隶属的小组以完成工作。
There is a thin dividing line between educating the public and creating a predisposition to panic.
教育公众和营造恐慌倾向之间只有细小的区别。
Dividing subjects into science, maths, English, etc.
把学科划分为自然科学、数学和英语等。
It turns through London, dividing the city into two parts.
它穿过伦敦，将城市分成两部分。
I had my finger cut when I was dividing the watermelon into pieces.
我在将西瓜切块的时候把手指割伤了。
Dividing subjects into science, maths, English, etc. is something we do for convenience.
把科目分为科学、数学、英语等，是我们为了方便而做的事情。
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