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
Thanks very much. It was a great party!
非常感谢，今天的聚会棒极了！
My friend phoned me at 10 a.m. Yesterday.
我的朋友昨天上午10点打电话给我。
decided to take some presents to a children's hospital.
盖茨决定送些礼物给儿童医院。