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
She's a really fantastic girl.
她真是个了不起的女孩。
All your life you make many friends.
一生能结交许多的朋友。
I left the bag in the hall and Robert and I went into the living room where we talked for a couple of hours.
我把纸袋放在门厅里，与罗伯特一起进了起居室，在那里聊了好几个钟头。