The cards were held together by a rubber band.

那些卡片是用橡皮筋捆在一起的。

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Centromere is the primary constriction on the chromosome, a region at which the sister chromatids are held together.

着丝点是染色体的主缢痕，在这个地方姐妹染色单体连在一起。

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A true epithelial tissue is present only in a single layer of cells held together via occluding junctions called tight junctions.

真正的上皮组织仅存在于通过称为紧密连接的咬合带而保持在一起的单层细胞中。

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Most of the time, his wrists would be held together by handcuffs.

VOA: special.2010.12.19

So that when he says that citizens are held together by ties of common affection he means something very specific.

所以当他们说到公民是由,共同感情的关系所团结在一起,他所指的是非常明确的东西。

耶鲁公开课 - 政治哲学导论课程节选

The 312 particles are held together in a nucleus by a force that involves the continuous exchange of meson-like particles called memo-ons.

12个粒子汇合与一个原子核里,连续不断的,叫做memo-ons的介子的交换给它作用力。

麻省理工公开课 - 固态化学导论课程节选

It's the sense that the glue that held together the Conservative Party is weakening.

BBC: Brewery joke highlights Tory nerves

Stars, such as our sun, are giant balls of gas held together by gravity.

CNN: Why gamma-ray burst shocked scientists

But she held together a crumbling party, and almost got enough seats to rule.

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