Lanthanide contraction
[化] 镧系收缩
🧩 词语组成解析
n. 镧系元素\\n[化] 镧系元素; 镧系
contraction
[kən'trækʃən]
n. 收缩，缩减;[语]缩略，略体，缩写;（开支等）缩减;（分娩时）子宫收缩;
🗣️ 情景例句
I studied English in school.
我是在学校里学的英语。
You are bigger than I am.
你比我大
He was very healthy and happy, but he could not look after himself.
他很健康，非常欢快。但不能照料自己。