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The bivalent radical CO. 羰基，碳酰基二价原子团co
the bivalent radical CH2 derived from methane. 从甲烷衍生而来的二价基CH。
the bivalent radical UO2 which forms salts with acids 二价基UO，与酸形成盐
the bivalent radical UO2 which forms salts with acids. 二价基UO，与酸形成盐。
They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
He took up a radical position on this issue. 他对这个问题抱着激进的态度。
The man turned from Radical to Conservative. 这人从激进派变成了保守派。
His political convictions are very radical. 他的政治信念非常激进。
I do not share his radical views. 我不同意他的激进观点。
You can look up a character under its radical. 你可以根据部首查找汉字。
A bivalent hydrocarbon radical,CH2-,a component of unsaturated hydrocarbons. 甲叉，亚甲一种双价碳氢基，CH2－，不饱合碳氢化合物的一个组成部分
A radical is a man with both feet firmly planted in the air. 激进分子就是把两腿牢牢插在空气中的人。
A radical is a man with both beet firmly planted in the air. 激进分子就是把两腿牢牢插在空气中的人。
bivalent radical 二价基
Of or containing bivalent nickel, Ni2+. 含二价镍的有或含有二价镍Ni2＋
The talks are aimed at radical reductions in the level of weapons. 那些会谈都以大幅度裁减军备为目标。
A radical republican during the French Revolution. 雅各宾党人法国大革命中激进的民主分子
A bivalent hydrocarbon radical, CH2-, a component of unsaturated hydrocarbons. 甲叉，亚甲一种双价碳氢基，CH2－，不饱合碳氢化合物的一个组成部分
These developments have effected a radical change in social life. 这些发展使社会生活发生了根本变化。
Love is the radical of lovely, loveliness, and loving. Love是lovely,loveliness及loving的词根。