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1·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。《牛津词典》

2·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。

3·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。

4·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。

5·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。

6·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。

7·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。

8·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。

9·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。

10·They hypothesized 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。

(1)dividing line分界线

(1)dividing wall间壁；隔离壁；分隔墙

(1)dividing machine[机]分度机；刻线机

(1)dividing head[机]分度头