Bivalent hydroearbon radical
[机] 二价烃基
🧩 词语组成解析
adj. 根本的,基本的;激进的;彻底的;[植]根生的;
n. 激进分子;根基,原子团;[数学]根数;
radic根+al…的 →根本的,基本的;[转为名词] 根部,基础
🗣️ 情景例句
You are shorter than I am.
你比我矮。
Mrs. Zhu, I called to tell you that the conference has been delayed until the 15th and 16th.
朱夫人,我来告诉你会议已经推迟到了15号至16号开。
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