By the way, by the way, we should say Reagan cut taxes and Clinton left them low.
顺便插一句,我们应当这么说,里根是减税了,但克林顿维持了低税率。
If you cut and you open up a segment of DNA then you've left these sticky ends, for example and these sticky ends are capable of recognizing each other by the process of hybridization.
如果你进行切割打开一个DNA片段,就会留下,比如说,这些粘性末端,这些粘性末端能在杂交的过程中互相识别
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