这种发夹状的结构被分成小分子RNA段，然后与另外一组染色体共同产生影响，然后沉默另外一种带有互补序列的信息核糖核酸。

The hairpin structure is diced into a microRNA segment that works with another complex to disable other messenger RNAs with complementary sequences.

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这回他不用烧焦的纸，而代之以几股棉线。他把几股棉线搓在一起，呈发夹状，然后把已搓成的灯丝放在炉内烧焦，也就是使之碳化。

This time, instead of using charred paper, he took several strands of cotton, twisted these together into the shape of hairpin, and charred, or carbonized, this filament in an oven.

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我把头发束成大头棒状用发夹别在头顶上。

My hair was clubbed up with pins on the top of my head.

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