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
I would like to charge this.
我想用信用卡付账。
The day has eyes, the night has ears.
日有眼，夜有耳。
To Annie I owe thanks for this priceless gift of speech.
可安妮给我这份无价的说话礼物，我对她感激不尽。