free radical
英
美
- n.自由基
详细释义
Noun:
-
an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule;
"in the body free radicals are high-energy particles that ricochet wildly and damage cells"
双语例句
- In some cases free radicals can be detected.
在某些情况下可以测出自由基来。 - A free radical is a molecular fragment having an unpaired electron.
自由基是一种具有未配对电子的分子碎体。
用作名词 (n.)
相关词汇
- radical 激进的
【近义词】
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