🧩 词语组成解析
[化] 乙酰; 乙酰基
radical
['rædɪkl]
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
We want to be sure that you're responsible
我们要确定你是肯负责的,
If only our team had scored one more point.
要是我们队多得一分就好了。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢?