Actinide contraction
[化] 锕系收缩
🧩 词语组成解析
n. [化]锕类
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
And I've been thinking about it a lot lately.
最近我一直就此事想了很多。
How could that be?
怎么可能有这种事？
She runs everyday in order to lose weight.
她每天都跑步是为了减肥。