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
You're pretty close.
你的答案相当接近了。
Do you often do composition after school?
你常常在放学后做作文吗？
From then on, Harry decided that this little game he had invented might prove to be expensive.
从那以后，他认识到自己发明的小小恶作剧是要付出很大的代价的。