它们出
双语例句原声例句
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这些语言有如此多的相似之处，以致于人们推断出它们肯定都来自同一个地方。
These languages had so many similarities that it was concluded that they must have all come from the same source.
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It's a mechanism that they have evolved in order to prevent foreign genes from entering a cell and being expressed.
它们进化出这种机制来,防止异源基因进入细胞并表达
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The second piece of information we need to know is what actually the kinetic energy is of the ejected electron, and that's something we can just measure by measuring its velocity.
其次，我们需要知道的信息是,出射电子的动能，这可以通过,测量它们的速度得到。
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And, in some instances, they can be made to behave more nearly metallic.
而且，在一些情况下，它们能表现出更接近金属的性质。
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