Radioactive nuclei
[医] 放射性核
🧩 词语组成解析
nuclei
['nju:kliai]
n. 核，核心，原子核(nucleus的复数形);（原子）核( nucleus的名词复数 );中心，核心;
🗣️ 情景例句
Philip had to go back to the hospital. Philip
必须要回医院。
When would you like to leave?
你要什么时间离开呢？
There are four seasons in the year here--spring, summer, autumn and winter.
这儿一年有四季--春、夏、秋、冬。