🧩 词语组成解析
n. [化]二甲砷基, 四甲二砷
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
I have to think about it.
我得想一想。
Please tell him to stop jumping up and down.
请告诉他不要调上跳下。
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.
昨天，消防队员仔细查看了地面，但未能发现碎玻璃。