可以从已有的其他文件中剪切和粘贴。

You can cut and paste from other documents that you may already have.

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最优希望的一种就是抑制一种将β淀粉状蛋白从大蛋白中剪切下来的酶。

One of the most promising is to inhibit an enzyme that shears off amyloid beta from a larger protein.

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然而直到现在到底是哪个分子剪刀在RNA干扰的过程中剪切信使RNA仍然不清楚。

Until recently, however, the identity of the molecular scissors that actually cut messenger RNA during RNAi has remained elusive.

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