基本定义

legal definition───法律定义

broad definition───广泛的定义

high definition───[电视]高清晰度

muscle definition───肌肉定义

narrow definition───狭义解释

precise definition───[计]精确定义

radical action───激进行动

I want to point out that we just figured out for molecular orbital theory, is that o 2 is a biradical, because remember, the definition of a radical is when we have an unpaired electron.───我要指出的是，我们刚利用分子轨道理论，指导了O2是二价自由基，因为记住，自由基的定义是，有个未配对的电子。

However, the radical 'top-down' genetic engineering that Venter's team has done, does not quite constitute a "synthetic cell" by my definition.───不管怎样，Venter小组所完成的根本性的‘自顶向下’式基因工程不是按照我的理解去构造‘人造细胞’。

introduced the definition, harm of free radicals. The category and scavenging mechanism of free radical scavengers were also presented.───概述了自由基的概念、对人体的危害以及自由基清除剂的种类和作用机制。