| 单词 | polymerase chain reaction | 
| 释义 | polymerase chain reaction in American English a technique in which a known DNA sequence is synthesized at high temperatures by means of a polymerase, producing millions of copies for statistical analysis: used in  DNA fingerprinting, in detecting minute quantities of cancer cells, etc. Examples of 'polymerase chain reaction' in a sentence | 
| 随便看 | 
英语词典包含298861条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。