他写的一切都显示出其感受力之深切。
Everything he writes demonstrates the depth of his sensibility.
我们怎么能从一个简单的指纹就推断出这一切呢?
How can we work all this out from just a simple fingerprint?
我试图想象出当时杜布切克和哈维尔出现在群众面前的情景。
I tried to picture the moment when Dubcek and Havel appeared before the crowd.
Well the first step would be to cut open the plasmid with a particular restriction enzyme, and then what if I take that same restriction enzyme and I cut up the DNA that I'm interested in.
第一步是用某种限制性内切酶把质粒切开,然后用同一种限制性内切酶,切出我想要的DNA
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